What powers efr.ru?
Last seen Jun 2026 · 16 technologies across 9 categories
Analytics
Yandex.Metrika
since Jul 2024
Issue trackers
Sentry
since Jan 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Mar 2025
PWA
since Oct 2024
Programming languages
Security
HSTS
since Jul 2024
UI frameworks
Headless UI
since Jul 2024
Tailwind CSS
since Jul 2024
Web servers
Apache Tomcat
since Dec 2023
Audience
- 98% phone
- 2% desktop
Russia
Germany
Netherlands
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.23 / 10 · ranked #72,015,013 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 175 ms |
| CLS | 0.2 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.0 MB · 2 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| t2.efr.ru | 9 |
| lk.efr.ru | 6 |
| lms.efr.ru | 2 |
| efr.ru | 1 |
Full technology history →
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Recent changes
- dropped Cart Functionality Nov 2025
- dropped core-js Nov 2025
- dropped MobX Nov 2025
- dropped Open Graph Nov 2025
- dropped PWA Nov 2025
- dropped React Nov 2025
- dropped React Router Nov 2025