What powers lib21.ru?
Last seen Jun 2026 · 13 technologies across 10 categories
Analytics
Yandex.Metrika
since Aug 2022
Font scripts
Font Awesome
since Aug 2022
Hosting
REG.RU
since Oct 2022
JavaScript libraries
Miscellaneous
Operating systems
Windows Server
since Aug 2022
Programming languages
Rich text editors
CKEditor
since Aug 2022
UI frameworks
Web servers
Audience
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.57 / 10 · ranked #5,883,565 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 24.8 MB · 183 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| lib21.ru | 13 |
| www.lib21.ru | 13 |