What powers gptr.dev?
Last seen Jun 2026 · 17 technologies across 12 categories
Analytics
Google Analytics
since May 2024
Caching
Varnish
since Jul 2024
CDN
Documentation
JavaScript frameworks
JavaScript graphics
KaTeX
since Jul 2024
Miscellaneous
PaaS
GitHub Pages
since Jul 2024
Netlify
since May 2024
Performance
Priority Hints
since May 2026
Programming languages
Node.js
since May 2024
Security
HSTS
since May 2024
UI frameworks
Tailwind CSS
since May 2024
Audience
- 76% desktop
- 24% phone
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.83 / 10 · ranked #701,055 of all domains
49 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Netlify
- Weight: 12.0 MB · 53 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| docs.gptr.dev | 11 |
| gptr.dev | 10 |
Full technology history →
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Recent changes
- detected Priority Hints May 2026