What powers castalialibrary.com?
Last seen Jun 2026 · 19 technologies across 13 categories
Analytics
Blogs
Substack
since Dec 2025
CDN
Cloudflare
since Dec 2025
Hosting
Hostpoint
since Dec 2025
Issue trackers
JavaScript frameworks
React
since Mar 2026
JavaScript libraries
Preact
since Dec 2025
Miscellaneous
Programming languages
Node.js
since Dec 2025
Security
Cloudflare Bot Management
since Dec 2025
HSTS
since Dec 2025
UI frameworks
Radix UI
since Mar 2026
Web frameworks
Express
since Dec 2025
Webmail
Proton Mail
since Dec 2025
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.78 / 10 · ranked #17,034,313 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.3 MB · 229 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Radix UI Mar 2026
- detected React Mar 2026
- detected React Router Mar 2026