https://world.openfoodfacts.org/
42
Performance
94
Accessibility
83
Best Practices
77
SEO
PWA
42
Performance
94
Accessibility
83
Best Practices
77
SEO
PWA
42
Performance
Values are estimated and may vary. The performance score is calculated directly from these metrics.See calculator.
0–49 50–89 90–100
Final Screenshot
Metrics
First Contentful Paint
3.1 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive
8.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index
6.9 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time
790 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Largest Contentful Paint
5.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more
Cumulative Layout Shift
0.024
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Screenshot
Screenshot
Screenshot
Screenshot
Screenshot
Screenshot
Screenshot
Screenshot
Screenshot
Screenshot
Show audits relevant to:
Opportunities
Opportunity
Estimated Savings
Enable text compression
3.23 s
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.FCPLCP
URL
Transfer Size
Potential Savings
…dist/app-ltr.css?v=173…
(static.openfoodfacts.org)
240.0 KiB
205.5 KiB
…en/lang.json
(static.openfoodfacts.org)
132.3 KiB
90.7 KiB
…dist/foundation.js
(static.openfoodfacts.org)
105.8 KiB
79.0 KiB
…dist/jquery.js
(static.openfoodfacts.org)
82.8 KiB
53.6 KiB
…dist/select2.min.js
(static.openfoodfacts.org)
69.5 KiB
49.9 KiB
/matomo.js
(analytics.openfoodfacts.org)
65.9 KiB
44.5 KiB
…dist/jquery-ui.js
(static.openfoodfacts.org)
35.0 KiB
24.5 KiB
…base/jquery-ui.css
(static.openfoodfacts.org)
16.0 KiB
13.0 KiB
…dist/select2.min.css
(static.openfoodfacts.org)
14.2 KiB
12.3 KiB
/js/product-search.js
(static.openfoodfacts.org)
16.2 KiB
11.9 KiB
/js/product-preferences.js
(static.openfoodfacts.org)
12.6 KiB
9.6 KiB
…v0/attribute_groups
(world.openfoodfacts.org)
8.6 KiB
7.0 KiB
…dist/modernizr.js
(static.openfoodfacts.org)
10.9 KiB
6.4 KiB
…dist/hc-sticky.js
(static.openfoodfacts.org)
10.3 KiB
6.4 KiB
Eliminate render-blocking resources
1.98 s
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.FCPLCP
URL
Transfer Size
Potential Savings
…dist/app-ltr.css?v=173…
(static.openfoodfacts.org)
240.7 KiB
1,990 ms
…dist/select2.min.css
(static.openfoodfacts.org)
14.6 KiB
150 ms
Serve images in next-gen formats
1.23 s
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more.
URL
Resource Size
Potential Savings
group photo donation 2024
<img src="/images/misc/donation-banners/donation-banner-group-photo.png" alt="group photo donation 2024">
…donation-banners/donation-banner-group-photo.png
(world.openfoodfacts.org)
343.2 KiB
308.3 KiB
Reduce unused CSS
1.08 s
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn more.FCPLCP
URL
Transfer Size
Potential Savings
…dist/app-ltr.css?v=173…
(static.openfoodfacts.org)
240.7 KiB
209.5 KiB
…base/jquery-ui.css
(static.openfoodfacts.org)
16.4 KiB
16.4 KiB
…dist/select2.min.css
(static.openfoodfacts.org)
14.6 KiB
13.0 KiB
Reduce unused JavaScript
1.08 s
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn more.LCP
URL
Transfer Size
Potential Savings
…dist/foundation.js
(static.openfoodfacts.org)
106.3 KiB
81.8 KiB
…
106.1 KiB
81.8 KiB
/matomo.js
(analytics.openfoodfacts.org)
66.2 KiB
38.1 KiB
…dist/jquery.js
(static.openfoodfacts.org)
83.3 KiB
30.5 KiB
…
82.8 KiB
30.5 KiB
…dist/select2.min.js
(static.openfoodfacts.org)
70.0 KiB
29.8 KiB
…
69.9 KiB
29.8 KiB
…dist/jquery-ui.js
(static.openfoodfacts.org)
35.4 KiB
28.5 KiB
menu.js
10.0 KiB
9.2 KiB
autocomplete.js
8.4 KiB
7.3 KiB
widget.js
8.3 KiB
6.2 KiB
position.js
5.7 KiB
5.2 KiB
Reduce initial server response time
0.52 s
Keep the server response time for the main document short because all other requests depend on it. Learn more.FCPLCP
URL
Time Spent
https://world.openfoodfacts.org
620 ms
Properly size images
0.46 s
Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.
URL
Resource Size
Potential Savings
group photo donation 2024
<img src="/images/misc/donation-banners/donation-banner-group-photo.png" alt="group photo donation 2024">
…donation-banners/donation-banner-group-photo.png
(world.openfoodfacts.org)
343.2 KiB
109.3 KiB
Defer offscreen images
0.15 s
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. Learn more.
URL
Resource Size
Potential Savings
Contribute to Open Food Facts.
<img src="images/illustrations/puzzle-big.svg" alt="Contribute to Open Food Facts.">
…illustrations/puzzle-big.svg
(world.openfoodfacts.org)
20.3 KiB
20.3 KiB
Open Food Facts
<img id="logo" src="https://static.openfoodfacts.org/images/logos/off-logo-horizontal-mono-whi…" alt="Open Food Facts" style="margin:8px;height:48px;width:auto;">
…logos/off-logo-horizontal-mono-white.svg
(static.openfoodfacts.org)
18.5 KiB
18.5 KiB
Discover Open Food Facts.
<img src="images/illustrations/globe.svg" alt="Discover Open Food Facts.">
…illustrations/globe.svg
(world.openfoodfacts.org)
8.8 KiB
8.8 KiB
The Open Food Facts logo in the cloud
<img class="cell small-50 v-align-center" src="/images/illustrations/app-icon-in-the-clouds.svg" alt="The Open Food Facts logo in the cloud" style="height:120px">
…illustrations/app-icon-in-the-clouds.svg
(world.openfoodfacts.org)
5.4 KiB
5.4 KiB
A collaborative, free and open database of food products from around the world.…
<div id="footer_block_image_banner_outside">
…illustrations/footer-planet.svg
(static.openfoodfacts.org)
2.9 KiB
2.9 KiB
Minify JavaScript
0.15 s
Minifying JavaScript files can reduce payload sizes and script parse time. Learn more.FCPLCP
URL
Transfer Size
Potential Savings
inline: 
var page_type = "products";
var default...
28.5 KiB
11.1 KiB
/js/product-search.js
(static.openfoodfacts.org)
16.6 KiB
5.8 KiB
/js/product-preferences.js
(static.openfoodfacts.org)
13.0 KiB
4.0 KiB
These suggestions can help your page load faster. They don't directly affect the Performance score.
Diagnostics
Ensure text remains visible during webfont load
Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading. Learn more.FCPLCP
URL
Potential Savings
/fonts/public-sans-v14-vietnamese_latin-ext_latin-regular.woff2
(static.openfoodfacts.org)
610 ms
/fonts/material-icons-v139.woff2
(static.openfoodfacts.org)
1,060 ms
Image elements do not have explicit width and height
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn moreCLS
URL
group photo donation 2024
<img src="/images/misc/donation-banners/donation-banner-group-photo.png" alt="group photo donation 2024">
…donation-banners/donation-banner-group-photo.png
(world.openfoodfacts.org)
group photo donation 2024
<img src="/images/misc/donation-banners/donation-banner-group-photo.png" alt="group photo donation 2024">
…donation-banners/donation-banner-group-photo.png
(world.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-d-new-e…" alt="Nutri-Score D" loading="lazy">
…dist/nutriscore-d-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-d-new-e…" alt="Nutri-Score D" loading="lazy">
…dist/nutriscore-d-new-en.svg
(static.openfoodfacts.org)
Nutri-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-d-new-e…" alt="Nutri-Score D" loading="lazy">
…dist/nutriscore-d-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-d-new-e…" alt="Nutri-Score D" loading="lazy">
…dist/nutriscore-d-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-d-new-e…" alt="Nutri-Score D" loading="lazy">
…dist/nutriscore-d-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Nutri-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-d-new-e…" alt="Nutri-Score D" loading="lazy">
…dist/nutriscore-d-new-en.svg
(static.openfoodfacts.org)
Nutri-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a-new-e…" alt="Nutri-Score A" loading="lazy">
…dist/nutriscore-a-new-en.svg
(static.openfoodfacts.org)
Get It On Google Play
<img src="/images/misc/playstore/img/en_get.svg" alt="Get It On Google Play">
…img/en_get.svg
(world.openfoodfacts.org)
Get It On Google Play
<img src="https://static.openfoodfacts.org/images/misc/playstore/img/en_get.svg" alt="Get It On Google Play" loading="lazy" class="full-width">
…img/en_get.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Green-Score B
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-b.svg" alt="Green-Score B" loading="lazy">
…dist/green-score-b.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-d.svg" alt="Green-Score D" loading="lazy">
…dist/green-score-d.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score A
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-a.svg" alt="Green-Score A" loading="lazy">
…dist/green-score-a.svg
(static.openfoodfacts.org)
Green-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-d.svg" alt="Green-Score D" loading="lazy">
…dist/green-score-d.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Green-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-d.svg" alt="Green-Score D" loading="lazy">
…dist/green-score-d.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score B
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-b.svg" alt="Green-Score B" loading="lazy">
…dist/green-score-b.svg
(static.openfoodfacts.org)
Green-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-d.svg" alt="Green-Score D" loading="lazy">
…dist/green-score-d.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
Green-Score D
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-d.svg" alt="Green-Score D" loading="lazy">
…dist/green-score-d.svg
(static.openfoodfacts.org)
Green-Score B
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-b.svg" alt="Green-Score B" loading="lazy">
…dist/green-score-b.svg
(static.openfoodfacts.org)
Nutri-Score unknown
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-unknown…" alt="Nutri-Score unknown" loading="lazy">
…dist/nutriscore-unknown-new-en.svg
(static.openfoodfacts.org)
Green-Score not applicable
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/green-score-not-ap…" alt="Green-Score not applicable" loading="lazy">
…dist/green-score-not-applicable.svg
(static.openfoodfacts.org)
The Open Food Facts logo in the cloud
<img class="cell small-50 v-align-center" src="/images/illustrations/app-icon-in-the-clouds.svg" alt="The Open Food Facts logo in the cloud" style="height:120px">
…illustrations/app-icon-in-the-clouds.svg
(world.openfoodfacts.org)
Twitter
<img src="/images/icons/dist/twitter.svg" class="footer_social_icon" alt="Twitter">
…dist/twitter.svg
(world.openfoodfacts.org)
Facebook
<img src="/images/icons/dist/facebook.svg" class="footer_social_icon" alt="Facebook">
…dist/facebook.svg
(world.openfoodfacts.org)
Instagram
<img src="/images/icons/dist/instagram.svg" class="footer_social_icon" alt="Instagram">
…dist/instagram.svg
(world.openfoodfacts.org)
Open Food Facts
<img id="logo" src="https://static.openfoodfacts.org/images/logos/off-logo-horizontal-light.svg" alt="Open Food Facts" style="margin:8px;height:48px;width:auto;">
…logos/off-logo-horizontal-light.svg
(static.openfoodfacts.org)
Open Food Facts
<img id="logo" src="https://static.openfoodfacts.org/images/logos/off-logo-horizontal-mono-whi…" alt="Open Food Facts" style="margin:8px;height:48px;width:auto;">
…logos/off-logo-horizontal-mono-white.svg
(static.openfoodfacts.org)
Android APK
<img src="https://static.openfoodfacts.org/images/misc/android-apk.svg" alt="Android APK" loading="lazy" class="full-width">
…misc/android-apk.svg
(static.openfoodfacts.org)
Unprocessed or minimally processed foods
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-1.svg" alt="Unprocessed or minimally processed foods" loading="lazy">
…dist/nova-group-1.svg
(static.openfoodfacts.org)
Processed foods
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-3.svg" alt="Processed foods" loading="lazy">
…dist/nova-group-3.svg
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NOVA not computed
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…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
Unprocessed or minimally processed foods
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-1.svg" alt="Unprocessed or minimally processed foods" loading="lazy">
…dist/nova-group-1.svg
(static.openfoodfacts.org)
NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
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Processed foods
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-3.svg" alt="Processed foods" loading="lazy">
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Unprocessed or minimally processed foods
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…dist/nova-group-1.svg
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Processed foods
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Unprocessed or minimally processed foods
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NOVA not computed
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NOVA not computed
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NOVA not computed
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…dist/nova-group-unknown.svg
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NOVA not computed
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NOVA not computed
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NOVA not computed
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NOVA not computed
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NOVA not computed
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…dist/nova-group-unknown.svg
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NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
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NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
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NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
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NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
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NOVA not computed
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…dist/nova-group-unknown.svg
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NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
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NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
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NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
Unprocessed or minimally processed foods
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-1.svg" alt="Unprocessed or minimally processed foods" loading="lazy">
…dist/nova-group-1.svg
(static.openfoodfacts.org)
NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
Processed foods
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-3.svg" alt="Processed foods" loading="lazy">
…dist/nova-group-3.svg
(static.openfoodfacts.org)
Unprocessed or minimally processed foods
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-1.svg" alt="Unprocessed or minimally processed foods" loading="lazy">
…dist/nova-group-1.svg
(static.openfoodfacts.org)
NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
Unprocessed or minimally processed foods
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(static.openfoodfacts.org)
NOVA not computed
<img class="list_product_icons" src="https://static.openfoodfacts.org/images/attributes/dist/nova-group-unknown…" alt="NOVA not computed" loading="lazy">
…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
NOVA not computed
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…dist/nova-group-unknown.svg
(static.openfoodfacts.org)
NOVA not computed
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…dist/nova-group-unknown.svg
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Download on the App Store
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Nutri-Score B
<img class="list_product_icons" src="" alt="Nutri-Score B" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Ultra-processed foods
<img class="list_product_icons" src="" alt="Ultra-processed foods" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Nutri-Score E
<img class="list_product_icons" src="" alt="Nutri-Score E" loading="lazy">
 
 
       
 
 
 
 
Ultra-processed foods
<img class="list_product_icons" src="" alt="Ultra-processed foods" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score C
<img class="list_product_icons" src="" alt="Green-Score C" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Nutri-Score E
<img class="list_product_icons" src="" alt="Nutri-Score E" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
       
 
 
 
 
Ultra-processed foods
<img class="list_product_icons" src="" alt="Ultra-processed foods" loading="lazy">
Nutri-Score E
<img class="list_product_icons" src="" alt="Nutri-Score E" loading="lazy">
Ultra-processed foods
<img class="list_product_icons" src="" alt="Ultra-processed foods" loading="lazy">
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
Nutri-Score B
<img class="list_product_icons" src="" alt="Nutri-Score B" loading="lazy">
Green-Score E
<img class="list_product_icons" src="" alt="Green-Score E" loading="lazy">
Nutri-Score E
<img class="list_product_icons" src="" alt="Nutri-Score E" loading="lazy">
Ultra-processed foods
<img class="list_product_icons" src="" alt="Ultra-processed foods" loading="lazy">
Green-Score E
<img class="list_product_icons" src="" alt="Green-Score E" loading="lazy">
Nutri-Score E
<img class="list_product_icons" src="" alt="Nutri-Score E" loading="lazy">
Ultra-processed foods
<img class="list_product_icons" src="" alt="Ultra-processed foods" loading="lazy">
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
Nutri-Score E
<img class="list_product_icons" src="" alt="Nutri-Score E" loading="lazy">
Ultra-processed foods
<img class="list_product_icons" src="" alt="Ultra-processed foods" loading="lazy">
Ultra-processed foods
<img class="list_product_icons" src="" alt="Ultra-processed foods" loading="lazy">
Green-Score C
<img class="list_product_icons" src="" alt="Green-Score C" loading="lazy">
Nutri-Score C
<img class="list_product_icons" src="" alt="Nutri-Score C" loading="lazy">
Ultra-processed foods
<img class="list_product_icons" src="" alt="Ultra-processed foods" loading="lazy">
Green-Score not computed
<img class="list_product_icons" src="" alt="Green-Score not computed" loading="lazy">
 
 
  
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10 d
1 KiB
…dist/vegetarian.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/nutrient-level-salt-low.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/no-fish.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/no-sesame-seeds.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/no-gluten.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/no-mustard.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/no-lupin.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/no-molluscs.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/twitter.svg
(world.openfoodfacts.org)
10 d
1 KiB
…dist/no-milk.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/instagram.svg
(world.openfoodfacts.org)
10 d
1 KiB
…dist/nutrient-level-saturated-fat-low.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/no-peanuts.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/facebook.svg
(world.openfoodfacts.org)
10 d
1 KiB
…dist/0-additives.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/no-eggs.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/vegan.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/nutrient-level-sugars-low.svg
(static.openfoodfacts.org)
10 d
1 KiB
…dist/cancel.svg
(world.openfoodfacts.org)
10 d
1 KiB
…dist/nutrient-level-fat-low.svg
(static.openfoodfacts.org)
10 d
1 KiB
 
 
  
   Avoid an excessive DOM size 1,552 elements  
     
 
  
A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows. Learn more.TBT
 
 
Statistic
Element
Value
Total DOM Elements
1,552
Maximum DOM Depth
fieldset.fieldset_attribute_group > div.attribute_img > div > img.match_icons
<img src="https://static.openfoodfacts.org/images/attributes/dist/nutriscore-a.svg" class="match_icons" alt="">
20
Maximum Child Elements
 
 
       
 
 
 
 
Sidi Ali - 33 cl
Perly - Jaouda - 80.0
Sidi Ali - 2 L
Sidi Ali mineral water - …
<ul class="search_results small-block-grid-1 medium-block-grid-4 large-block-grid-6 x…" id="products_match_all" style="list-style:none">
50
 
 
  
   Minimize main-thread work 4.3 s  
     
 
  
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn moreTBT
 
 
Category
Time Spent
Script Evaluation
3,139 ms
Other
581 ms
Style & Layout
301 ms
Parse HTML & CSS
139 ms
Script Parsing & Compilation
76 ms
Rendering
47 ms
 
 
  
   Reduce JavaScript execution time 3.1 s  
     
 
  
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.TBT
 
 
URL
Total CPU Time
Script Evaluation
Script Parse
…dist/jquery.js
(static.openfoodfacts.org)
3,054 ms
2,946 ms
5 ms
Unattributable
547 ms
12 ms
0 ms
https://world.openfoodfacts.org
343 ms
67 ms
51 ms
…dist/modernizr.js
(static.openfoodfacts.org)
180 ms
39 ms
1 ms
 
 
  
   Avoid chaining critical requests 15 chains found  
     
 
  
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. Learn more.FCPLCP
 
 
  
 
 Maximum critical path latency: 1,860 ms 
 
 
 
Initial Navigation
  
  
https://world.openfoodfacts.org
 
  
…dist/app-ltr.css?v=173…
(static.openfoodfacts.org)
 - 760 ms, 240.69 KiB 
  
…base/jquery-ui.css
(static.openfoodfacts.org)
 - 610 ms, 16.43 KiB 
  
…dist/select2.min.css
(static.openfoodfacts.org)
 - 610 ms, 14.63 KiB 
  
…dist/modernizr.js
(static.openfoodfacts.org)
 - 610 ms, 11.28 KiB 
  
…dist/jquery.js
(static.openfoodfacts.org)
 - 610 ms, 83.32 KiB 
  
…dist/jquery-ui.js
(static.openfoodfacts.org)
 - 150 ms, 35.42 KiB 
  
…dist/hc-sticky.js
(static.openfoodfacts.org)
 - 150 ms, 10.67 KiB 
  
…dist/display.js
(static.openfoodfacts.org)
 - 150 ms, 2.23 KiB 
  
…dist/stikelem.js
(static.openfoodfacts.org)
 - 150 ms, 0.66 KiB 
  
…dist/scrollNav.js
(static.openfoodfacts.org)
 - 150 ms, 1.73 KiB 
  
…dist/foundation.js
(static.openfoodfacts.org)
 - 150 ms, 106.32 KiB 
  
…dist/jquery.cookie.js
(static.openfoodfacts.org)
 - 150 ms, 1.82 KiB 
  
…dist/select2.min.js
(static.openfoodfacts.org)
 - 150 ms, 70.00 KiB 
  
/js/product-preferences.js
(static.openfoodfacts.org)
 - 150 ms, 13.04 KiB 
  
/js/product-search.js
(static.openfoodfacts.org)
 - 150 ms, 16.64 KiB 
 
 
 
  
   Keep request counts low and transfer sizes small 85 requests • 1,626 KiB  
     
 
  
To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.
 
 
Resource Type
Requests
Transfer Size
Total
85
1,625.8 KiB
Image
61
612.5 KiB
Script
13
419.3 KiB
Stylesheet
3
271.8 KiB
Font
2
148.8 KiB
Other
5
143.6 KiB
Document
1
29.8 KiB
Media
0
0.0 KiB
Third-party
0
0.0 KiB
 
 
  
   Largest Contentful Paint element 1 element found  
     
 
  
This is the largest contentful element painted within the viewport. Learn MoreLCP
 
 
Element
 
 
       
 
 
 
 
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT
<p>
 
 
  
   Avoid large layout shifts 2 elements found  
     
 
  
These DOM elements contribute most to the CLS of the page.CLS
 
 
Element
CLS Contribution
 
 
       
 
 
 
 
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT

Plea…
<section id="donation-banner-top" class="donation-banner row" style="display: flex;">
0.022
 
 
       
 
 
 
 
Scan barcodes to get the Nutri-Score, the Green-Score and more!
<div class="small-6 columns">
0.002
 
 
  
   Avoid long main-thread tasks 5 long tasks found  
     
 
  
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay. Learn moreTBT
 
 
URL
Start Time
Duration
…dist/jquery.js
(static.openfoodfacts.org)
8,389 ms
1,451 ms
…dist/modernizr.js
(static.openfoodfacts.org)
5,524 ms
102 ms
…dist/jquery.cookie.js
(static.openfoodfacts.org)
7,678 ms
102 ms
…dist/jquery.js
(static.openfoodfacts.org)
8,171 ms
64 ms
Unattributable
915 ms
56 ms
 
More information about the performance of your application. These numbers don't directly affect the Performance score.
  
  
 
 Passed audits (20)   
 
 Show Hide 
 
  
 
  
   Minify CSS   
     
 
  
Minifying CSS files can reduce network payload sizes. Learn more.FCPLCP
 
 
 
 
  
   Efficiently encode images   
     
 
  
Optimized images load faster and consume less cellular data. Learn more.
 
 
 
 
  
   Preconnect to required origins   
     
 
  
Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. Learn more.FCPLCP
 
 
 
 
  
   Avoid multiple page redirects   
     
 
  
Redirects introduce additional delays before the page can be loaded. Learn more.FCPLCP
 
 
 
 
  
   Preload key requests   
     
 
  
Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load. Learn more.FCPLCP
 
 
 
 
  
   Use HTTP/2   
     
 
  
HTTP/2 offers many benefits over HTTP/1.1, including binary headers and multiplexing. Learn more.
 
 
 
 
  
   Use video formats for animated content   
     
 
  
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes. Learn moreLCP
 
 
 
 
  
   Remove duplicate modules in JavaScript bundles   
     
 
  
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity. TBT
 
 
 
 
  
   Avoid serving legacy JavaScript to modern browsers Potential savings of 26 KiB  
     
 
  
Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers. Learn MoreTBT
 
 
URL
Potential Savings
…dist/hc-sticky.js
(static.openfoodfacts.org)
26.3 KiB
hc-sticky.js:11:7659
Array.prototype.forEach
 
 
  
   Preload Largest Contentful Paint image   
     
 
  
Preload the image used by the LCP element in order to improve your LCP time. Learn more.LCP
 
 
 
 
  
   Avoids enormous network payloads Total size was 1,641 KiB  
     
 
  
Large network payloads cost users real money and are highly correlated with long load times. Learn more.LCP
 
 
URL
Transfer Size
…donation-banners/donation-banner-group-photo.png
(world.openfoodfacts.org)
344.0 KiB
…dist/app-ltr.css?v=173…
(static.openfoodfacts.org)
240.7 KiB
…en/lang.json
(static.openfoodfacts.org)
132.9 KiB
/fonts/material-icons-v139.woff2
(static.openfoodfacts.org)
125.9 KiB
…dist/foundation.js
(static.openfoodfacts.org)
106.3 KiB
…dist/jquery.js
(static.openfoodfacts.org)
83.3 KiB
…dist/select2.min.js
(static.openfoodfacts.org)
70.0 KiB
/matomo.js
(analytics.openfoodfacts.org)
66.2 KiB
…dist/jquery-ui.js
(static.openfoodfacts.org)
35.4 KiB
https://world.openfoodfacts.org
29.8 KiB
 
 
  
   User Timing marks and measures   
     
 
  
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences. Learn more.
 
 
 
 
  
   Minimize third-party usage   
     
 
  
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn more.TBT
 
 
 
 
  
   Lazy load third-party resources with facades   
     
 
  
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn more.TBT
 
 
 
 
  
   Largest Contentful Paint image was not lazily loaded   
     
 
  
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint. Learn more.
 
 
 
 
  
   Uses passive listeners to improve scrolling performance   
     
 
  
Consider marking your touch and wheel event listeners as `passive` to improve your page's scroll performance. Learn more.
 
 
 
 
  
   Avoids document.write()   
     
 
  
For users on slow connections, external scripts dynamically injected via `document.write()` can delay page load by tens of seconds. Learn more.
 
 
 
 
  
   Avoid non-composited animations   
     
 
  
Animations which are not composited can be janky and increase CLS. Learn moreCLS
 
 
 
 
  
   Has a <meta name="viewport"> tag with width or initial-scale   
     
 
  
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents a 300 millisecond delay to user input. Learn more.TBT
 
 
 
 
  
   Avoids unload event listeners   
     
 
  
The `unload` event does not fire reliably and listening for it can prevent browser optimizations like the Back-Forward Cache. Use `pagehide` or `visibilitychange` events instead. Learn more
 
 
 
 
 
  
     
 
94
  
Accessibility
 
 
These checks highlight opportunities to improve the accessibility of your web app. Only a subset of accessibility issues can be automatically detected so manual testing is also encouraged.
 
ARIA
 
  
   ARIA input fields do not have accessible names   
     
 
  
When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more.
 
 
Failing Elements
 
 
       
 
 
 
 
Country
<span class="select2-selection__rendered" id="select2-select_country-container" role="textbox" aria-readonly="true">
 
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Contrast
 
  
   Background and foreground colors do not have a sufficient contrast ratio.   
     
 
  
Low-contrast text is difficult or impossible for many users to read. Learn more.
 
 
Failing Elements
 
 
       
 
 
 
 
Scan barcodes to get the Nutri-Score, the Green-Score and more!
<div class="small-6 columns">
 
 
       
 
 
 
 
Scan barcodes to get the Nutri-Score, the Green-Score and more!
<a href="https://play.google.com/store/apps/details?id=org.openfoodfacts.scanner&amp;ut…" id="mobile-app-top-banner" class="button large expand success">
 
 
       
 
 
 
 
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT
<p>
 
 
       
 
 
 
 
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT
<div class="donation-banner__hook-section">
 
 
       
 
 
 
 
Please give to our 2024 Fundraiser
<h3 class="donation-banner__main-title">
 
 
       
 
 
 
 
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT

Plea…
<section id="donation-banner-top" class="donation-banner row" style="display: flex;">
 
 
       
 
 
 
 
Each donation counts! We appreciate your support in bringing further food trans…
<p>
 
 
       
 
 
 
 
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT

Plea…
<section id="donation-banner-top" class="donation-banner row" style="display: flex;">
 
 
       
 
 
 
 
I SUPPORT
<button>
FOODS
<span id="foods">
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT
<p>
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT
<div class="donation-banner-footer__hook-section">
Please give to our 2024 Fundraiser
<h3 class="donation-banner-footer__main-title">
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT

Plea…
<section class="donation-banner-footer row">
Each donation counts! We appreciate your support in bringing further food trans…
<p>
HELP US INFORM MILLIONS OF CONSUMERS AROUND THE WORLD ABOUT WHAT THEY EAT

Plea…
<section class="donation-banner-footer row">
I SUPPORT
<button>
 
These are opportunities to improve the legibility of your content.
Names and labels
 
  
   Document doesn't have a <title> element   
     
 
  
The title gives screen reader users an overview of the page, and search engine users rely on it heavily to determine if a page is relevant to their search. Learn more.
 
 
Failing Elements
 
 
       
 
 
 
 
html.js
<html class=" js flexbox flexboxlegacy canvas canvastext webgl touch geolocation postme…" lang="en" data-serverdomain="openfoodfacts.org" dir="ltr">
 
 
  
   No form fields have multiple labels   
     
 
  
Form fields with multiple labels can be confusingly announced by assistive technologies like screen readers which use either the first, the last, or all of the labels. Learn more.
 
 
Failing Elements
 
 
       
 
 
 
 
div#preferences_selected > div.flex-grid > fieldset#preferences_switch_in_list_of_products_switch > input#preferences_switch_in_list_of_products
<input class="preferences_checkboxes" id="preferences_switch_in_list_of_products" type="checkbox">
 
 
       
 
 
 
 
div#preferences_selected > div.flex-grid > fieldset#preferences_switch_in_list_of_products_switch > label.h-space-tiny
<label for="preferences_switch_in_list_of_products" class="h-space-tiny" style="margin-top:0">
 
 
       
 
 
 
 
Classify the 50 products below according to your preferences
<label for="preferences_switch_in_list_of_products" class="v-space-tiny h-space-tiny" style="margin-top:0">
 
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
  
  
 
 Additional items to manually check (10)   
 
 Show Hide 
 
  
 
  
   The page has a logical tab order   
     
 
  
Tabbing through the page follows the visual layout. Users cannot focus elements that are offscreen. Learn more.
 
 
 
 
  
   Interactive controls are keyboard focusable   
     
 
  
Custom interactive controls are keyboard focusable and display a focus indicator. Learn more.
 
 
 
 
  
   Interactive elements indicate their purpose and state   
     
 
  
Interactive elements, such as links and buttons, should indicate their state and be distinguishable from non-interactive elements. Learn more.
 
 
 
 
  
   The user's focus is directed to new content added to the page   
     
 
  
If new content, such as a dialog, is added to the page, the user's focus is directed to it. Learn more.
 
 
 
 
  
   User focus is not accidentally trapped in a region   
     
 
  
A user can tab into and out of any control or region without accidentally trapping their focus. Learn more.
 
 
 
 
  
   Custom controls have associated labels   
     
 
  
Custom interactive controls have associated labels, provided by aria-label or aria-labelledby. Learn more.
 
 
 
 
  
   Custom controls have ARIA roles   
     
 
  
Custom interactive controls have appropriate ARIA roles. Learn more.
 
 
 
 
  
   Visual order on the page follows DOM order   
     
 
  
DOM order matches the visual order, improving navigation for assistive technology. Learn more.
 
 
 
 
  
   Offscreen content is hidden from assistive technology   
     
 
  
Offscreen content is hidden with display: none or aria-hidden=true. Learn more.
 
 
 
 
  
   HTML5 landmark elements are used to improve navigation   
     
 
  
Landmark elements (<main>, <nav>, etc.) are used to improve the keyboard navigation of the page for assistive technology. Learn more.
 
 
 
 These items address areas which an automated testing tool cannot cover. Learn more in our guide on conducting an accessibility review.
  
  
 
 Passed audits (22)   
 
 Show Hide 
 
  
 
  
   [aria-*] attributes match their roles   
     
 
  
Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn more.
 
 
 
 
  
   [aria-hidden="true"] is not present on the document <body>   
     
 
  
Assistive technologies, like screen readers, work inconsistently when `aria-hidden="true"` is set on the document `<body>`. Learn more.
 
 
 
 
  
   [role]s have all required [aria-*] attributes   
     
 
  
Some ARIA roles have required attributes that describe the state of the element to screen readers. Learn more.
 
 
 
 
  
   [role] values are valid   
     
 
  
ARIA roles must have valid values in order to perform their intended accessibility functions. Learn more.
 
 
 
 
  
   [aria-*] attributes have valid values   
     
 
  
Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid values. Learn more.
 
 
 
 
  
   [aria-*] attributes are valid and not misspelled   
     
 
  
Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid names. Learn more.
 
 
 
 
  
   Buttons have an accessible name   
     
 
  
When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn more.
 
 
 
 
  
   ARIA IDs are unique   
     
 
  
The value of an ARIA ID must be unique to prevent other instances from being overlooked by assistive technologies. Learn more.
 
 
 
 
  
   Image elements have [alt] attributes   
     
 
  
Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more.
 
 
 
 
  
   Form elements have associated labels   
     
 
  
Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more.
 
 
 
 
  
   [user-scalable="no"] is not used in the <meta name="viewport"> element and the [maximum-scale] attribute is not less than 5.   
     
 
  
Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more.
 
 
 
 
  
   button, link, and menuitem elements have accessible names   
     
 
  
When an element doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more.
 
 
 
 
  
   [aria-hidden="true"] elements do not contain focusable descendents   
     
 
  
Focusable descendents within an `[aria-hidden="true"]` element prevent those interactive elements from being available to users of assistive technologies like screen readers. Learn more.
 
 
 
 
  
   The page contains a heading, skip link, or landmark region   
     
 
  
Adding ways to bypass repetitive content lets keyboard users navigate the page more efficiently. Learn more.
 
 
 
 
  
   [id] attributes on active, focusable elements are unique   
     
 
  
All focusable elements must have a unique `id` to ensure that they're visible to assistive technologies. Learn more.
 
 
 
 
  
   <html> element has a [lang] attribute   
     
 
  
If a page doesn't specify a lang attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more.
 
 
 
 
  
   <html> element has a valid value for its [lang] attribute   
     
 
  
Specifying a valid BCP 47 language helps screen readers announce text properly. Learn more.
 
 
 
 
  
   Links have a discernible name   
     
 
  
Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn more.
 
 
 
 
  
   Lists contain only <li> elements and script supporting elements (<script> and <template>).   
     
 
  
Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. Learn more.
 
 
 
 
  
   List items (<li>) are contained within <ul> or <ol> parent elements   
     
 
  
Screen readers require list items (`<li>`) to be contained within a parent `<ul>` or `<ol>` to be announced properly. Learn more.
 
 
 
 
  
   No element has a [tabindex] value greater than 0   
     
 
  
A value greater than 0 implies an explicit navigation ordering. Although technically valid, this often creates frustrating experiences for users who rely on assistive technologies. Learn more.
 
 
 
 
  
   Heading elements appear in a sequentially-descending order   
     
 
  
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more.
 
 
 
 
  
  
 
 Not applicable (18)   
 
 Show Hide 
 
  
 
  
   [accesskey] values are unique   
     
 
  
Access keys let users quickly focus a part of the page. For proper navigation, each access key must be unique. Learn more.
 
 
 
 
  
   ARIA meter elements have accessible names   
     
 
  
When an element doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more.
 
 
 
 
  
   ARIA progressbar elements have accessible names   
     
 
  
When a `progressbar` element doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more.
 
 
 
 
  
   Elements with an ARIA [role] that require children to contain a specific [role] have all required children.   
     
 
  
Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more.
 
 
 
 
  
   [role]s are contained by their required parent element   
     
 
  
Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. Learn more.
 
 
 
 
  
   ARIA toggle fields have accessible names   
     
 
  
When a toggle field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more.
 
 
 
 
  
   ARIA tooltip elements have accessible names   
     
 
  
When an element doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more.
 
 
 
 
  
   ARIA treeitem elements have accessible names   
     
 
  
When an element doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more.
 
 
 
 
  
   <dl>'s contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.   
     
 
  
When definition lists are not properly marked up, screen readers may produce confusing or inaccurate output. Learn more.
 
 
 
 
  
   Definition list items are wrapped in <dl> elements   
     
 
  
Definition list items (`<dt>` and `<dd>`) must be wrapped in a parent `<dl>` element to ensure that screen readers can properly announce them. Learn more.
 
 
 
 
  
   <frame> or <iframe> elements have a title   
     
 
  
Screen reader users rely on frame titles to describe the contents of frames. Learn more.
 
 
 
 
  
   <input type="image"> elements have [alt] text   
     
 
  
When an image is being used as an `<input>` button, providing alternative text can help screen reader users understand the purpose of the button. Learn more.
 
 
 
 
  
   The document does not use <meta http-equiv="refresh">   
     
 
  
Users do not expect a page to refresh automatically, and doing so will move focus back to the top of the page. This may create a frustrating or confusing experience. Learn more.
 
 
 
 
  
   <object> elements have alternate text   
     
 
  
Screen readers cannot translate non-text content. Adding alternate text to `<object>` elements helps screen readers convey meaning to users. Learn more.
 
 
 
 
  
   Cells in a <table> element that use the [headers] attribute refer to table cells within the same table.   
     
 
  
Screen readers have features to make navigating tables easier. Ensuring `<td>` cells using the `[headers]` attribute only refer to other cells in the same table may improve the experience for screen reader users. Learn more.
 
 
 
 
  
   <th> elements and elements with [role="columnheader"/"rowheader"] have data cells they describe.   
     
 
  
Screen readers have features to make navigating tables easier. Ensuring table headers always refer to some set of cells may improve the experience for screen reader users. Learn more.
 
 
 
 
  
   [lang] attributes have a valid value   
     
 
  
Specifying a valid BCP 47 language on elements helps ensure that text is pronounced correctly by a screen reader. Learn more.
 
 
 
 
  
   <video> elements contain a <track> element with [kind="captions"]   
     
 
  
When a video provides a caption it is easier for deaf and hearing impaired users to access its information. Learn more.
 
 
 
 
 
  
     
 
83
  
Best Practices
 
 
 
Trust and Safety
 
  
   Includes front-end JavaScript libraries with known security vulnerabilities 4 vulnerabilities detected  
     
 
  
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers. Learn more.
 
 
Library Version
Vulnerability Count
Highest Severity
jQuery@2.1.4
4
Medium
 
 
  
   Ensure CSP is effective against XSS attacks   
     
 
  
A strong Content Security Policy (CSP) significantly reduces the risk of cross-site scripting (XSS) attacks. Learn more
 
 
Description
Directive
Severity
No CSP found in enforcement mode
High
 
General
 
  
   Uses deprecated APIs 1 warning found  
     
 
  
Deprecated APIs will eventually be removed from the browser. Learn more.
 
 
Deprecation / Warning
Source
jquery.js:26:1178
 
 
  
   Detected JavaScript libraries   
     
 
  
All front-end JavaScript libraries detected on the page. Learn more.
 
 
Name
Version
jQuery
2.1.4
jQuery UI
1.13.3
Modernizr
2.8.3
 
  
  
 
 Passed audits (11)   
 
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   Uses HTTPS   
     
 
  
All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more.
 
 
 
 
  
   Avoids requesting the geolocation permission on page load   
     
 
  
Users are mistrustful of or confused by sites that request their location without context. Consider tying the request to a user action instead. Learn more.
 
 
 
 
  
   Avoids requesting the notification permission on page load   
     
 
  
Users are mistrustful of or confused by sites that request to send notifications without context. Consider tying the request to user gestures instead. Learn more.
 
 
 
 
  
   Allows users to paste into password fields   
     
 
  
Preventing password pasting undermines good security policy. Learn more.
 
 
 
 
  
   Displays images with correct aspect ratio   
     
 
  
Image display dimensions should match natural aspect ratio. Learn more.
 
 
 
 
  
   Serves images with appropriate resolution   
     
 
  
Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn more.
 
 
 
 
  
   Page has the HTML doctype   
     
 
  
Specifying a doctype prevents the browser from switching to quirks-mode. Learn more.
 
 
 
 
  
   Properly defines charset   
     
 
  
A character encoding declaration is required. It can be done with a `<meta>` tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header. Learn more.
 
 
 
 
  
   No browser errors logged to the console   
     
 
  
Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more
 
 
 
 
  
   No issues in the Issues panel in Chrome Devtools   
     
 
  
Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.
 
 
 
 
  
   Page has valid source maps   
     
 
  
Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more.
 
 
URL
Map URL
…dist/jquery-ui.js
(static.openfoodfacts.org)
…dist/jquery-ui.js.map
(static.openfoodfacts.org)
Warning: missing 2 items in `.sourcesContent`
…dist/stikelem.js
(static.openfoodfacts.org)
…dist/stikelem.js.map
(static.openfoodfacts.org)
…dist/select2.min.js
(static.openfoodfacts.org)
…dist/select2.min.js.map
(static.openfoodfacts.org)
…dist/scrollNav.js
(static.openfoodfacts.org)
…dist/scrollNav.js.map
(static.openfoodfacts.org)
…dist/modernizr.js
(static.openfoodfacts.org)
…dist/modernizr.js.map
(static.openfoodfacts.org)
…dist/jquery.js
(static.openfoodfacts.org)
…dist/jquery.js.map
(static.openfoodfacts.org)
…dist/jquery.cookie.js
(static.openfoodfacts.org)
…dist/jquery.cookie.js.map
(static.openfoodfacts.org)
…dist/hc-sticky.js
(static.openfoodfacts.org)
…dist/hc-sticky.js.map
(static.openfoodfacts.org)
…dist/foundation.js
(static.openfoodfacts.org)
…dist/foundation.js.map
(static.openfoodfacts.org)
…dist/display.js
(static.openfoodfacts.org)
…dist/display.js.map
(static.openfoodfacts.org)
 
 
  
  
 
 Not applicable (1)   
 
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   Fonts with font-display: optional are preloaded   
     
 
  
Preload `optional` fonts so first-time visitors may use them. Learn more
 
 
 
 
 
  
     
 
77
  
SEO
 
 
These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more.
 
Content Best Practices
 
  
   Document doesn't have a <title> element   
     
 
  
The title gives screen reader users an overview of the page, and search engine users rely on it heavily to determine if a page is relevant to their search. Learn more.
 
 
Failing Elements
 
 
       
 
 
 
 
html.js
<html class=" js flexbox flexboxlegacy canvas canvastext webgl touch geolocation postme…" lang="en" data-serverdomain="openfoodfacts.org" dir="ltr">
 
 
  
   Document does not have a meta description   
     
 
  
Meta descriptions may be included in search results to concisely summarize page content. Learn more.
 
 
 
Format your HTML in a way that enables crawlers to better understand your app’s content.
Crawling and Indexing
 
  
   Links are not crawlable   
     
 
  
Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn More
 
 
Uncrawlable Link
 
 
       
 
 
 
 
menu
<a id="menu_link">
 
 
       
 
 
 
 
Back
<a href="javascript:void(0)">
 
 
       
 
 
 
 
Back
<a href="javascript:void(0)">
div#main_container > div#content > div.inner-wrap > a.exit-off-canvas
<a class="exit-off-canvas">
1
<a href="">
 
To appear in search results, crawlers need access to your app.
Mobile Friendly
 
  
   Tap targets are not sized appropriately 92% appropriately sized tap targets  
     
 
  
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements. Learn more.
 
 
Tap Target
Size
Overlapping Target
Legal
<a href="/legal">
27x16
Donate to Open Food Facts
<a href="https://world.openfoodfacts.org/donate-to-open-food-facts">
Privacy
<a href="/privacy">
35x16
Donate to Open Food Facts
<a href="https://world.openfoodfacts.org/donate-to-open-food-facts">
Terms of use
<a href="/terms-of-use">
62x16
Donate to Open Food Facts
<a href="https://world.openfoodfacts.org/donate-to-open-food-facts">
1
<a href="">
37x37
Next
<a href="/2" rel="next$nofollow">
Producers
<a href="https://world.pro.openfoodfacts.org/">
50x16
Data, API and SDKs
<a href="/data">
Data, API and SDKs
<a href="/data">
94x16
Subscribe to our newsletter
<a href="https://link.openfoodfacts.org/newsletter-en">
 
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. Learn more.
  
  
 
 Additional items to manually check (1)   
 
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   Structured data is valid   
     
 
  
Run the Structured Data Testing Tool and the Structured Data Linter to validate structured data. Learn more.
 
 
 
 Run these additional validators on your site to check additional SEO best practices.
  
  
 
 Passed audits (10)   
 
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   Has a <meta name="viewport"> tag with width or initial-scale   
     
 
  
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents a 300 millisecond delay to user input. Learn more.TBT
 
 
 
 
  
   Page has successful HTTP status code   
     
 
  
Pages with unsuccessful HTTP status codes may not be indexed properly. Learn more.
 
 
 
 
  
   Links have descriptive text   
     
 
  
Descriptive link text helps search engines understand your content. Learn more.
 
 
 
 
  
   Page isn’t blocked from indexing   
     
 
  
Search engines are unable to include your pages in search results if they don't have permission to crawl them. Learn more.
 
 
 
 
  
   robots.txt is valid   
     
 
  
If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more.
 
 
 
 
  
   Image elements have [alt] attributes   
     
 
  
Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more.
 
 
 
 
  
   Document has a valid hreflang   
     
 
  
hreflang links tell search engines what version of a page they should list in search results for a given language or region. Learn more.
 
 
 
 
  
   Document has a valid rel=canonical   
     
 
  
Canonical links suggest which URL to show in search results. Learn more.
 
 
 
 
  
   Document uses legible font sizes 97.45% legible text  
     
 
  
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px. Learn more.
 
 
Source
Selector
% of Page Text
Font Size
…dist/app-ltr.css?v=173…:1:110106
(static.openfoodfacts.org)
.top-bar-section .dropdown label
1.43%
10px
…dist/app-ltr.css?v=173…:1:171599
(static.openfoodfacts.org)
.text-small
1.12%
10.5px
Legible text
97.45%
≥ 12px
 
 
  
   Document avoids plugins   
     
 
  
Search engines can't index plugin content, and many devices restrict plugins or don't support them. Learn more.
 
 
 
 
 
                                  
PWA
 
 
These checks validate the aspects of a Progressive Web App. Learn more.
 
Installable
 
  
   Web app manifest or service worker do not meet the installability requirements 1 reason  
     
 
  
Service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. With proper service worker and manifest implementations, browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement. Learn more.
 
 
Failure reason
Manifest start URL is not valid
 
PWA Optimized
 
  
   Does not register a service worker that controls page and start_url   
     
 
  
The service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. Learn more.
 
 
 
 
  
   Configured for a custom splash screen   
     
 
  
A themed splash screen ensures a high-quality experience when users launch your app from their homescreens. Learn more.
 
 
 
 
  
   Sets a theme color for the address bar.   
     
 
  
The browser address bar can be themed to match your site. Learn more.
 
 
 
 
  
   Content is sized correctly for the viewport   
     
 
  
If the width of your app's content doesn't match the width of the viewport, your app might not be optimized for mobile screens. Learn more.
 
 
 
 
  
   Has a <meta name="viewport"> tag with width or initial-scale   
     
 
  
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents a 300 millisecond delay to user input. Learn more.TBT
 
 
 
 
  
   Provides a valid apple-touch-icon   
     
 
  
For ideal appearance on iOS when users add a progressive web app to the home screen, define an `apple-touch-icon`. It must point to a non-transparent 192px (or 180px) square PNG. Learn More.
 
 
 
 
  
   Manifest doesn't have a maskable icon   
     
 
  
A maskable icon ensures that the image fills the entire shape without being letterboxed when installing the app on a device. Learn more.
 
 
 
  
  
 
 Additional items to manually check (3)   
 
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   Site works cross-browser   
     
 
  
To reach the most number of users, sites should work across every major browser. Learn more.
 
 
 
 
  
   Page transitions don't feel like they block on the network   
     
 
  
Transitions should feel snappy as you tap around, even on a slow network. This experience is key to a user's perception of performance. Learn more.
 
 
 
 
  
   Each page has a URL   
     
 
  
Ensure individual pages are deep linkable via URL and that URLs are unique for the purpose of shareability on social media. Learn more.
 
 
 
 These checks are required by the baseline PWA Checklist but are not automatically checked by Lighthouse. They do not affect your score but it's important that you verify them manually.