What powers wikibooks.org?

Last seen Aug 2026 · 18 technologies across 12 categories

Cache Tools

Varnish
since Jun 2018

CDN

Amazon S3
since Apr 2026

JavaScript frameworks

Mustache v4.2.0
since May 2019
Vue.js v3.5.13
since Jun 2026

JavaScript libraries

jQuery v3.7.1
since Aug 2018
jQuery Migrate v3.3.2
since Aug 2018
jQuery UI v1.9.2
since Jul 2023
Moment.js v2.30.1
since Mar 2023

Miscellaneous

Open Graph
since Sep 2022
PWA
since Aug 2022
Webpack
since Sep 2018

Operating Systems

Debian
since Aug 2019

PaaS

Amazon Web Services
since Apr 2026

Programming languages

PHP
since Aug 2018

Security

HSTS
since Sep 2022

Video players

VideoJS
since Feb 2025

Web servers

Apache Traffic Server v9.2.13
since Sep 2019

Wikis

MediaWiki
since Aug 2018

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
wikibooks #1 490
free textbook websites #35 25
free textbook sites #33 25
wiki #86 16
wikibooks ebook #1 15
wiki reads #1 15
wikisource #37 5
wikimedia logos #43 5
wikipedia website #86 4
wiki website #48 4
library wiki #13 4
websites for free textbooks #26 3
free textbooks online pdf #42 3
where to download free textbooks #42 2
where to download free textbooks #38 2
viki website #42 2
free wiki #18 2
wikimedia download #52 1
wikibooks spanish #15 1
wikibooks en espaol #6 1
wiki malayalam #12 1
wiki credits #17 1
textbook download websites #85 1
textbook download sites #37 1
viki download #63 1

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 57% phone
  • 38% desktop
  • 5% tablet
  • Germany
  • United States
  • India
  • Japan
  • Austria
  • Indonesia

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

8.57 / 10 · ranked #1,851 of all domains

7,594 referring domains · OpenPageRank

Search traffic

630 est. monthly organic visits (US)

116 keywords in Google's top 30

Core Web Vitals

LCP1.3 s
INP75 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Arabic
  • Weight: 0.7 MB · 33 requests
  • Structured data: JSON-LD, OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Wikibooks
  • Founded: 2003

From Wikidata (CC0).

Infrastructure

  • Registered Jul 2003 (23 years) via MarkMonitor Inc., renews Jul 2027
  • Hosted on WIKIMEDIA (208.80.154.224, IPv6)
  • DNS: wikimedia.org
  • Email: wikimedia.org
  • Email security: no SPF record, no DMARC record, CAA
  • SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
  • Common Crawl link graph: rank 514, 576 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted

Subdomains

HostTechs
zh.wikibooks.org 13
ba.wikibooks.org 12
ko.wikibooks.org 12
pt.wikibooks.org 12
bn.wikibooks.org 11
cs.wikibooks.org 11
fi.wikibooks.org 11
it.wikibooks.org 11
pl.wikibooks.org 11
sk.wikibooks.org 11
sv.wikibooks.org 11
ar.wikibooks.org 10
bg.wikibooks.org 10
da.wikibooks.org 10
en.wikibooks.org 10
et.wikibooks.org 10
id.wikibooks.org 10
no.wikibooks.org 10
sq.wikibooks.org 10
ta.wikibooks.org 10
te.wikibooks.org 10
tr.wikibooks.org 10
vi.wikibooks.org 10
aa.wikibooks.org 9

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