What powers profrc.ru?
Last seen Oct 2026 · 15 technologies across 9 categories
Analytics
CDN
CMS
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.19 / 10 · ranked #9,956,580 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Russian
- Weight: 1.1 MB · 56 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Timeweb (83.217.193.137)
- DNS: Timeweb
- Email: profrc.ru
- Email security: SPF (hard fail), DMARC reject
- SSL: GlobalSign, RSA 4096, expires Feb 2027
- Common Crawl link graph: rank 13,619,875, 5 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| profrc.ru | 12 |
| online.profrc.ru | 8 |
Full technology history →
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Recent changes
- dropped DDoS-Guard Oct 2026
- detected HSTS Oct 2026