What powers calibre-ebook.com?
Last seen Jun 2026 · 38 technologies across 19 categories
Advertising
Analytics
CDN
CMS
Databases
Documentation
Ecommerce
Hosting
JavaScript libraries
Miscellaneous
PaaS
Payment processors
Programming languages
Security
Segmentation
Tag managers
UI frameworks
Web servers
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| calibre | #1 | 15,000 |
| calibre ebook software | #1 | 1,100 |
| calibre e-book | #1 | 1,100 |
| calibre books | #1 | 1,100 |
| calibre download | #2 | 880 |
| download calibre | #2 | 880 |
| calibre ebook management | #1 | 730 |
| calibre app | #1 | 730 |
| epub reader calibre | #1 | 730 |
| calibre kindle | #1 | 580 |
| calibre epub reader | #2 | 390 |
| epub converter calibre | #1 | 300 |
| calibre web | #2 | 290 |
| book creator | #97 | 230 |
| calibre mac | #1 | 220 |
| calibre ereader | #2 | 210 |
| calibre ebook reader | #2 | 210 |
| calibre kindle | #3 | 190 |
| calibre for android | #1 | 180 |
| kindle books | #41 | 160 |
| caliber | #72 | 130 |
| epub | #23 | 130 |
| calibre linux | #1 | 120 |
| calibre library | #1 | 120 |
| what is calibre software | #1 | 120 |
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
- 82% desktop
- 16% phone
- 2% tablet
United States
Japan
Germany
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.82 / 10 · ranked #10,385 of all domains
2,969 referring domains · OpenPageRank
Search traffic
34,300 est. monthly organic visits (US)
9,671 keywords in Google's top 30
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 11.4 MB · 1,414 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| calibre-ebook.com | 28 |
| www.calibre-ebook.com | 27 |
| manual.calibre-ebook.com | 21 |
| main.calibre-ebook.com | 19 |
| blog.calibre-ebook.com | 7 |
| download.calibre-ebook.com | 2 |
| plugins.calibre-ebook.com | 2 |
| drmfree.calibre-ebook.com | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Apr 2026
- dropped Cloudflare Bot Management Apr 2026
- dropped Microsoft ASP.NET Apr 2026
- detected Wurfl Apr 2026
- detected Cloudflare Feb 2026
- detected Cloudflare Bot Management Feb 2026
- detected GoDaddy Dec 2025