What powers libretexts.org?
Last seen Jun 2026 · 86 technologies across 27 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| libretext | #1 | 820 |
| free textbooks online | #3 | 430 |
| google textbooks | #19 | 370 |
| free textbook pdf | #4 | 290 |
| website for free textbooks | #4 | 240 |
| where to find free textbooks online | #3 | 230 |
| where to find free textbooks | #3 | 230 |
| free textbook downloads | #3 | 230 |
| download textbooks for free | #3 | 180 |
| chemistry libretexts | #2 | 160 |
| edfinity | #8 | 160 |
| free online textbooks | #3 | 130 |
| chem libretexts | #2 | 120 |
| where to get free textbooks | #5 | 110 |
| where to get free online textbooks | #5 | 110 |
| openstax | #37 | 100 |
| textbooks | #12 | 100 |
| online textbooks free | #2 | 71 |
| free booklets | #77 | 70 |
| textbook finder | #4 | 58 |
| davis library | #84 | 57 |
| free books | #71 | 53 |
| open textbook library | #10 | 50 |
| libre text | #1 | 49 |
| free textbook | #2 | 48 |
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
- 51% desktop
- 45% phone
- 4% tablet
Peru
United States
India
United Kingdom
Indonesia
Canada
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.08 / 10 · ranked #6,153 of all domains
3,532 referring domains · OpenPageRank
Search traffic
6,200 est. monthly organic visits (US)
2,036 keywords in Google's top 30
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 5.0 MB · 112 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ukrayinska.libretexts.org | 33 |
| bio.libretexts.org | 31 |
| biz.libretexts.org | 31 |
| chem.libretexts.org | 31 |
| eng.libretexts.org | 31 |
| espanol.libretexts.org | 31 |
| geo.libretexts.org | 31 |
| human.libretexts.org | 31 |
| k12.libretexts.org | 31 |
| math.libretexts.org | 31 |
| med.libretexts.org | 31 |
| phys.libretexts.org | 31 |
| socialsci.libretexts.org | 31 |
| stats.libretexts.org | 31 |
| workforce.libretexts.org | 31 |
| adapt-promo.libretexts.org | 30 |
| query.libretexts.org | 28 |
| status.libretexts.org | 24 |
| blog.libretexts.org | 18 |
| libretexts.org | 18 |
| commons.libretexts.org | 14 |
| adapt.libretexts.org | 13 |
| forge.libretexts.org | 11 |
| connections.libretexts.org | 10 |
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Recent changes
- detected New Relic May 2026
- detected Headless UI Apr 2026
- dropped Vite Dec 2025