What powers fredbooks.org?
Last seen Jun 2026 · 10 technologies across 7 categories
Analytics
Cloudflare Browser Insights
since Feb 2025
CDN
Cloudflare
since Feb 2025
Miscellaneous
Performance
Cloudflare Rocket Loader
since Feb 2025
Instant.Page
since Feb 2025
Static site generator
Astro
since Feb 2026
UI frameworks
Tailwind CSS
since Feb 2026
Webmail
Apple iCloud Mail
since Feb 2025
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.56 / 10 · ranked #23,005,505 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.3 MB · 18 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Instant.Page Apr 2026
- dropped Blocksy Mar 2026
- dropped Blocksy Companion Mar 2026
- dropped Embed Optimizer Mar 2026
- dropped Enhanced Responsive Images Mar 2026
- dropped Google Font API Mar 2026
- dropped Google Maps Mar 2026
- dropped HSTS Mar 2026
- dropped Image Placeholders Mar 2026
- dropped Image Prioritizer Mar 2026
- dropped jQuery Mar 2026
- dropped jQuery Migrate Mar 2026
- dropped MySQL Mar 2026
- dropped Optimization Detective Mar 2026
- dropped Performance Lab Mar 2026
- dropped PHP Mar 2026
- dropped Redis Mar 2026
- dropped Redis Object Cache Mar 2026
- dropped RSS Mar 2026
- dropped Speculative Loading Mar 2026
- dropped WordPress Mar 2026
- dropped WordPress Block Editor Mar 2026
- dropped Yoast SEO Mar 2026
- dropped Font Awesome Nov 2025
- dropped Ivory Search Nov 2025
- dropped Priority Hints Nov 2025
- dropped UserWay Nov 2025
- detected HSTS Oct 2025
- dropped Cloudflare Rocket Loader Sep 2025
- dropped Instant.Page Sep 2025
- dropped jsDelivr Sep 2025
- dropped Plesk Aug 2025
- detected Priority Hints Aug 2025