What powers gitbooks.io?
Last seen Jul 2020 · 15 technologies across 10 categories
Analytics
Caching
Varnish
since Aug 2018
CDN
Cloudflare
since Jun 2018
jsDelivr
since Jul 2020
Documentation tools
GitBook
since Aug 2018
Font scripts
Google Font API
since Aug 2018
JavaScript frameworks
React
since May 2017
JavaScript libraries
Miscellaneous
Page builders
Webflow
since Jan 2020
Payment Processors
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 79% phone
- 21% desktop
India
United States
Mexico
Philippines
Ghana
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.26 / 10 · ranked #4,319 of all domains
1,919 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.18.41.89)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 4,295, 1,470 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| edk2-docs.gitbooks.io | 11 |
| leonardoaraujosantos.gitbooks.io | 11 |
| bananapi.gitbooks.io | 10 |
| basarat.gitbooks.io | 10 |
| epicollect5.gitbooks.io | 10 |
| the-awwwesomes.gitbooks.io | 10 |
| karmazzin.gitbooks.io | 9 |
| maxfarseer.gitbooks.io | 9 |
| philipzheng.gitbooks.io | 9 |
| yeasy.gitbooks.io | 9 |
| ajgallego.gitbooks.io | 8 |
| amazing-apps.gitbooks.io | 8 |
| anilist.gitbooks.io | 8 |
| digiwin.gitbooks.io | 8 |
| djangogirlsjapan.gitbooks.io | 8 |
| gophish.gitbooks.io | 8 |
| programmingblockchain.gitbooks.io | 8 |
| samypesse.gitbooks.io | 8 |
| tealsk12.gitbooks.io | 8 |
| edera.gitbooks.io | 7 |
| groosha.gitbooks.io | 7 |
| aileenlin.gitbooks.io | 5 |
| aliozgur.gitbooks.io | 5 |
| ansible-book.gitbooks.io | 5 |