What powers fcfv.ru?
Last seen Aug 2026 · 25 technologies across 16 categories
Advertising
ADFOX
since Oct 2023
Analytics
Authentication
Google Sign-in
since Jul 2025
CDN
Cloudflare
since Mar 2022
Mailgun
since Jul 2025
Font scripts
Google Font API
since Mar 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Turbo
since Jul 2022
Programming languages
Ruby
since Mar 2022
Security
HSTS
since Jun 2024
Segmentation
Adobe Audience Manager
since Oct 2023
UI frameworks
Tailwind CSS
since Dec 2023
UIKit
since Mar 2022
Video players
Web frameworks
Ruby on Rails
since Mar 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.14 / 10 · ranked #82,278,823 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 5.5 MB · 76 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| www.fcfv.ru | 19 |
| fcfv.ru | 17 |
Full technology history →
Report an incorrect detection