Mozilla.com Site Title

Firefox - Protect your life online with privacy-first products — Mozilla

Mozilla.com Meta Description

Firefox is more than a browser. Learn more about Firefox products that handle your data with respect and are built for privacy anywhere you go online.

Mozilla.com Test Results

mozilla.com Mobile Usability: 99/100

Quick overview:
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target <a href="https://foundation.mozilla.org">Mozilla Foundation</a> is close to 1 other tap targets.

mozilla.com Mobile Speed: 47/100

Quick overview:
Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://mozilla.com/
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
https://www.mozilla.org/media/js/BUNDLES/site.133e404d326d.js
...
Optimize CSS Delivery of the following:
https://www.mozilla.org/media/css/BUNDLES/protocol-core.f0fd276209f6.css
...
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
179.8KiB of the HTML response was required to render the above-the-fold content. This requires 4 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 2 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.
Only about 8% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
...
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 150.7KiB (84% reduction).
Compressing https://www.mozilla.org/en-US/ could save 150.7KiB (84% reduction).
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 134.1KiB (25% reduction).
Compressing https://www.mozilla.org/media/contentcards/img/home-2019/card_11/grid-high-res.ac240e5bf42a.jpg could save 60.3KiB (27% reduction).
...
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 33.3KiB (19% reduction).
Minifying https://www.mozilla.org/en-US/ could save 33.3KiB (19% reduction).
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://www.googletagmanager.com/gtm.js?id=GTM-MW3R8V&l=dataLayer (15 minutes)
...

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