What powers f2.city?
Last seen Aug 2026 · 10 technologies across 7 categories
Analytics
CMS
CRM
Font scripts
JavaScript libraries
Miscellaneous
Security
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.55 / 10 · ranked #6,069,545 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.4 MB · 111 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- detected lit-element Feb 2026
- detected lit-html Feb 2026