What powers book-filter.com?
Last seen Jun 2026 · 16 technologies across 8 categories
Analytics
Cloudflare Browser Insights
since Mar 2026
Google Analytics
since Dec 2023
Vercel Analytics
since Dec 2023
CDN
Cloudflare
since Mar 2026
JavaScript frameworks
Miscellaneous
PaaS
Vercel
since Dec 2023
Performance
Priority Hints
since Apr 2026
Programming languages
Node.js
since Apr 2026
Security
HSTS
since Dec 2023
Audience
- 50% phone
- 50% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.93 / 10 · ranked #14,036,179 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0.5 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.2 MB · 88 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 Next.js Apr 2026
- detected Next.js App Router Apr 2026
- detected Node.js Apr 2026
- detected Priority Hints Apr 2026
- detected React Apr 2026
- detected Webpack Apr 2026
- detected Cloudflare Mar 2026
- detected Cloudflare Browser Insights Mar 2026
- detected HTTP/3 Mar 2026