What powers 21vek-courses.ru?
Last seen Jun 2026 · 13 technologies across 7 categories
Analytics
CMS
1C-Bitrix
since Jan 2019
JavaScript frameworks
Socket.io
since Jan 2019
JavaScript libraries
Slick
since Aug 2022
SoundManager
since Jan 2019
Programming languages
Security
reCAPTCHA
since Jan 2019
Web servers
Audience
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.09 / 10 · ranked #118,112,012 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian
- Weight: 12.3 MB · 155 requests
Homepage as crawled by the HTTP Archive, Jul 2026.