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mozilla.org

https://mozilla.org

C79
Performance 60Accessibility 100SEO 100Best Practices 96

10 technologies detected · Last audited Apr 16, 2026

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Technology stack

Cdn

Google Cloud CDN Nginx

Frontend

Google Search Console Google Workspace HSTS HTTP/3 Microsoft Open Graph Transcend

Hosting

Google Cloud

Frequently asked questions about mozilla.org

What technology does mozilla.org use?

mozilla.org is built with Google Search Console, Google Workspace, HSTS, HTTP/3, and Microsoft.

Is mozilla.org fast?

Somewhat — mozilla.org scores 60/100 on Lighthouse mobile performance, below the median audited site.

Is mozilla.org accessible?

Yes — mozilla.org scores 100/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does mozilla.org use?

No CMS fingerprint was detected on mozilla.org — it may use a static site generator or a custom application.

Where is mozilla.org hosted?

mozilla.org is hosted on Google Cloud.

Does mozilla.org use HTTPS?

Yes — mozilla.org serves traffic over HTTPS.

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4 audits

Apr 16, 2026 17:02 UTC Latest

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Worker: worker-madrid-spain-05

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Scores

Performance 60Accessibility 100Best Practices 96SEO 100PWA 0

Timing

LCP: 3.34 sFirst Contentful Paint: 3.16 sTTFB: 213 msTotal Time: 213 msCumulative Layout Shift: 0.948
Apr 7, 2026 20:27 UTC

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Worker: worker-saopaulo-br-01

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Scores

Performance 73Accessibility 100Best Practices 96SEO 100PWA 0

Timing

LCP: 3.19 sFirst Contentful Paint: 2.19 sTTFB: 14 msTotal Time: 15 msCumulative Layout Shift: 0.000
Apr 4, 2026 18:25 UTC

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Worker: worker-singapore-sg-01

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Scores

Performance 51Accessibility 100Best Practices 96SEO 100PWA 0

Timing

LCP: 2.85 sFirst Contentful Paint: 2.33 sTTFB: 543 msTotal Time: 546 msCumulative Layout Shift: 0.948
Apr 4, 2026 16:53 UTC

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Worker: worker-singapore-sg-01

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Scores

Performance 65Accessibility 95Best Practices 96SEO 100PWA 0

Timing

LCP: 5.10 sFirst Contentful Paint: 3.11 sTTFB: 339 msTotal Time: 339 msCumulative Layout Shift: 0.049

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