What powers rfclass.ru?
Last seen Jun 2026 · 10 technologies across 8 categories
Analytics
Yandex.Metrika
since Sep 2022
Font scripts
Font Awesome
since Dec 2024
JavaScript libraries
Miscellaneous
HTTP/3
since Oct 2025
Open Graph
since Dec 2024
Programming languages
Security
HSTS
since Oct 2022
UI frameworks
Bootstrap
since Sep 2022
Web servers
Angie
since Oct 2025
Audience
- 60% desktop
- 40% phone
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.95 / 10 · ranked #1,669,113 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian
- Weight: 2.6 MB · 47 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Nginx Nov 2025