Skip to content

github.com

https://github.com

C79
Performance 29Accessibility 97SEO 100Best Practices 96

20 technologies detected · Last audited Apr 8, 2026

View full audit

Technology stack

Cdn

Amazon S3

Cms

Contentful

Frontend

Amazon Route 53 Apple Facebook GSAP Google Play app Google Search Console HSTS Microsoft NS1 Native app preferred Open Graph React React Router Tailwind CSS Three.js lit-html

Hosting

Amazon Web Services GitHub Pages

Frequently asked questions about github.com

What technology does github.com use?

github.com is built with Contentful, Amazon Route 53, Apple, Facebook, and GSAP.

Is github.com fast?

No — github.com scores 29/100 on Lighthouse mobile performance, indicating significant optimization opportunities.

Is github.com accessible?

Yes — github.com scores 97/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does github.com use?

github.com runs on Contentful.

Where is github.com hosted?

github.com is hosted on Amazon Web Services.

Does github.com use HTTPS?

Yes — github.com serves traffic over HTTPS.

Performance Trends

Performance stable →
26 27 28.0 29.0Apr 4Apr 8Apr 4, 2026: 26 PerformanceApr 8, 2026: 29 Performance
TTFB stable →
114.4 178.5 242.6 306.7Apr 4Apr 8Apr 4, 2026: 307ms TTFBApr 8, 2026: 114ms TTFB
FCP stable →
4.0k 4.5k 5.0k 5.5kApr 4Apr 8Apr 4, 2026: 5.5s FCPApr 8, 2026: 4.0s FCP
LCP stable →
19.7k 20.1k 20.5k 20.9kApr 4Apr 8Apr 4, 2026: 20.9s LCPApr 8, 2026: 19.7s LCP

2 audits

Apr 8, 2026 08:51 UTC Latest

/

Worker: worker-madrid-spain-01

View full report →

Scores

Performance 29Accessibility 97Best Practices 96SEO 100PWA 0

Timing

LCP: 19.69 sFirst Contentful Paint: 3.97 sTTFB: 114 msTotal Time: 188 msCumulative Layout Shift: 0.000
Apr 4, 2026 16:44 UTC

/

Worker: worker-amsterdam-nl-01

View full report →

Scores

Performance 26Accessibility 97Best Practices 96SEO 100PWA 0

Timing

LCP: 20.89 sFirst Contentful Paint: 5.48 sTTFB: 307 msTotal Time: 327 msCumulative Layout Shift: 0.000

Send Feedback