What powers books.org?

Last seen Jun 2026 · 20 technologies across 13 categories

Analytics

Cloudflare Browser Insights
since Sep 2023
Google Analytics
since Jul 2020

CDN

cdnjs
since Nov 2021
Cloudflare
since Feb 2021
jsDelivr
since Jun 2026

Font scripts

Google Font API
since Feb 2019

Hosting

Hostinger
since Nov 2023

JavaScript libraries

jQuery v3.5.1
since Aug 2019
jQuery UI v1.12.1
since Aug 2019

Miscellaneous

HTTP/3
since Sep 2022
Open Graph
since Sep 2022
PWA
since Aug 2022
RSS
since May 2026

Performance

Cloudflare Rocket Loader
since Oct 2023

Programming languages

PHP v8.1.34
since Feb 2019

Rich text editors

TinyMCE v5
since Aug 2019

Security

HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Jul 2020

UI frameworks

Animate.css
since Aug 2019

Web servers

Apache HTTP Server
since Feb 2019

Audience

  • 94% desktop
  • 6% phone
  • United States

Countries where the site has Chrome traffic, strongest markets first.

Open Page Rank

2.23 / 10 · ranked #3,030,168 of all domains

17 referring domains · OpenPageRank

Core Web Vitals

LCP1.3 s
CLS0
TTFB1000 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 0.9 MB · 62 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Jul 2026.

Subdomains

HostTechs
books.org 15
www.books.org 7

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018