What powers githubusercontent.com?
Last seen Jul 2026 · 19 technologies across 13 categories
Caching
Varnish
since Apr 2022
CDN
Amazon S3
since Dec 2022
CRM
Salesforce
since Dec 2022
Documentation
Zendesk
since Dec 2022
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Payment processors
Stripe
since Dec 2022
Performance
Turbo
since Dec 2022
Security
HSTS
since Dec 2022
Web servers
Webmail
Apple iCloud Mail
since Mar 2023
Google Workspace
since Dec 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
9.01 / 10 · ranked #334 of all domains
28,002 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Registered Feb 2014 (12 years) via MarkMonitor Inc., renews Feb 2028
- DNS: IBM NS1
- Email: no MX record returned
- Email security: SPF (hard fail), CAA
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 209, 59 hosts
- Verified with: GlobalSign
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| raw.githubusercontent.com | 16 |
| desktop.githubusercontent.com | 4 |