What powers doabooks.org?
Last seen May 2026 · 23 technologies across 12 categories
Analytics
CDN
Issue trackers
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Payment processors
Performance
Programming languages
Security
UI frameworks
Webmail
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
Content Signals:
search=yes ai-train=no declared in robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| books | #58 | 520 |
| open | #40 | 520 |
| jstor | #67 | 350 |
| prism | #39 | 280 |
| book | #62 | 170 |
| openstax | #67 | 100 |
| doa | #58 | 78 |
| doa meaning | #71 | 57 |
| open access books | #1 | 52 |
| monographs | #43 | 47 |
| free ebooks | #42 | 47 |
| free ebooks | #42 | 47 |
| directory of open access books | #1 | 43 |
| define peering | #93 | 43 |
| directory of open access journals | #8 | 37 |
| free textbook sites | #61 | 25 |
| foundation book | #89 | 25 |
| book png | #56 | 21 |
| doab directory of open access books | #1 | 21 |
| doa stands for medical | #85 | 21 |
| free textbooks | #34 | 21 |
| agora meaning | #97 | 17 |
| free book websites | #32 | 16 |
| directory of books | #1 | 15 |
| book search | #72 | 14 |
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
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 61% phone
- 36% desktop
- 3% tablet
United States
Mexico
Australia
India
Germany
Philippines
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.67 / 10 · ranked #14,061 of all domains
2,257 referring domains · OpenPageRank
Search traffic
3,100 est. monthly organic visits (US)
1,748 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.55 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Organisation
- Directory of Open Access Books
- Founded: 2012
- Country: Kingdom of the Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.26.8.202, IPv6)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, CAA
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 15,420, 5 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| directory.doabooks.org | 16 |
| doabooks.org | 13 |
| www.doabooks.org | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped FancyBox Apr 2026
- dropped Open Graph Apr 2026
- detected PWA Mar 2026
- detected Sentry Mar 2026
- detected Splide Mar 2026
- dropped Cloudflare Bot Management Feb 2026
- detected Cloudflare Bot Management Oct 2025