What powers open-college.ru?
Last seen Jun 2026 · 43 technologies across 17 categories
Analytics
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Apr 2022
jQuery CDN
since Aug 2022
jsDelivr
since Sep 2021
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Bitrix24
since Apr 2022
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since Mar 2022
Miscellaneous
Operating systems
Programming languages
Security
DDoS-Guard
since Sep 2022
Tag managers
Google Tag Manager
since Jul 2019
UI frameworks
Web server extensions
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Widgets
Audience
- 82% phone
- 13% desktop
- 5% tablet
Russia
Germany
Netherlands
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.37 / 10 · ranked #2,732,343 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian
- Weight: 12.7 MB · 154 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.open-college.ru | 16 |
| distant.open-college.ru | 15 |
| pk.open-college.ru | 15 |
| priem.open-college.ru | 15 |
| ocp.open-college.ru | 14 |
| dod.open-college.ru | 12 |
| open-college.ru | 11 |
| dpo.open-college.ru | 8 |
| fest.open-college.ru | 6 |
| olympiad.open-college.ru | 5 |
Full technology history →
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Recent changes
- dropped Highlight.js Aug 2025