What powers cat-q.org?
Last seen Aug 2026 · 19 technologies across 8 categories
Analytics
CDN
Cloudflare
since Oct 2025
Development
Turbopack
since Jul 2026
JavaScript frameworks
Miscellaneous
Performance
Priority Hints
since Oct 2025
Programming languages
Node.js
since Oct 2025
UI frameworks
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 Aug 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 73% phone
- 27% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.76 / 10 · ranked #4,571,670 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.6 MB · 25 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Base UI Aug 2026
- detected PWA Aug 2026
- detected TanStack Start Aug 2026
- detected Turbopack Jul 2026
- detected Open Graph Mar 2026
- detected Cloudflare Browser Insights Nov 2025