What powers opengrc.com?
Last seen Aug 2026 · 20 technologies across 12 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
CDN
cdnjs
since Mar 2025
Cloudflare
since Mar 2025
DigitalOcean Spaces
since May 2026
Unpkg
since Feb 2026
Documentation
Amazon SES
since Oct 2025
Font scripts
Google Font API
since Mar 2025
JavaScript libraries
Miscellaneous
HTTP/3
since Mar 2025
Open Graph
since Mar 2025
PaaS
Amazon Web Services
since Oct 2025
Programming languages
Python
since Feb 2026
Security
HSTS
since Jul 2025
UI frameworks
Tailwind CSS
since Feb 2026
Webmail
Microsoft 365
since Mar 2025
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Open Page Rank
1.12 / 10 · ranked #10,808,233 of all domains
6 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.3 MB · 30 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Subdomains
| Host | Techs |
|---|---|
| opengrc.com | 16 |
| docs.opengrc.com | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Microsoft Clarity Aug 2026
- detected HSTS Jun 2026
- dropped Laravel Jun 2026
- dropped PHP Jun 2026
- dropped Statamic Jun 2026
- dropped Bootstrap Mar 2026
- dropped jsDelivr Mar 2026
- dropped HSTS Feb 2026
- detected Isotope Feb 2026
- detected MkDocs Feb 2026
- detected Python Feb 2026
- detected Swiper Feb 2026
- detected Tailwind CSS Feb 2026
- detected Unpkg Feb 2026
- detected Cloudflare Browser Insights Nov 2025
- detected Amazon SES Oct 2025
- detected Amazon Web Services Oct 2025