What powers openlibrary.org?
Last seen Jun 2026 · 35 technologies across 21 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| internet archive | #5 | 31,600 |
| internet archive wayback | #9 | 12,300 |
| free books online | #1 | 6,200 |
| free ebooks | #2 | 3,600 |
| free ebooks | #2 | 3,600 |
| free booklets | #3 | 3,200 |
| read a book | #1 | 3,000 |
| free online library | #1 | 2,500 |
| free book website | #1 | 2,300 |
| where to read books online for free | #1 | 2,000 |
| library books | #1 | 2,000 |
| wayback machine site | #50 | 1,700 |
| internet archive | #77 | 1,400 |
| ebook library | #1 | 1,300 |
| reading a book | #3 | 1,200 |
| books | #16 | 1,100 |
| read books online free | #1 | 1,000 |
| where can you read free books online | #1 | 1,000 |
| free reading sites | #1 | 880 |
| princeton university press | #2 | 880 |
| ebooks | #6 | 840 |
| stephen king books | #35 | 770 |
| libraries and ebooks | #2 | 710 |
| free online books without downloading | #2 | 710 |
| shel silverstein books | #8 | 530 |
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.
Audience
- 65% phone
- 28% desktop
- 6% tablet
United States
India
Canada
Australia
Mexico
Philippines
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.41 / 10 · ranked #3,087 of all domains
8,018 referring domains · OpenPageRank
Search traffic
182,500 est. monthly organic visits (US)
121,958 keywords in Google's top 30
Core Web Vitals
| LCP | 4.2 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 3100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.9 MB · 104 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| blog.openlibrary.org | 17 |
| openlibrary.org | 8 |
| www.openlibrary.org | 8 |
| docs.openlibrary.org | 6 |
Full technology history →
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Recent changes
- dropped Matomo Tag Manager Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected lit-element Mar 2026
- detected lit-html Mar 2026
- detected jQuery UI Feb 2026
- detected Matomo Analytics Jan 2026
- detected Matomo Tag Manager Jan 2026
- dropped jQuery UI Dec 2025
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped WordPress Super Cache Nov 2025
- dropped Cart Functionality Oct 2025
- detected Cart Functionality Aug 2025