What powers 4f.ua?
Last seen Oct 2026 · 24 technologies across 19 categories
Advertising
Analytics
CDN
Cookie compliance
Databases
Ecommerce
Ecommerce frontends
Font scripts
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
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 Nov 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 85% phone
- 10% tablet
- 5% desktop
Ukraine
Germany
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.88 / 10 · ranked #1,810,089 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.8 s |
| INP | 350 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Ukrainian (Ukraine)
- CDN: Akamai
- Weight: 5.9 MB · 277 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 4F
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Akamai (23.192.36.43, IPv6)
- DNS: Akamai Edge DNS
- Email: 4f.ua
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 15,101,036, 2 hosts
- Verified with: Google, Meta Business
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted