What powers fast.eu?
Last seen Oct 2026 · 16 technologies across 9 categories
Analytics
Google Analytics
since Jun 2018
Hotjar
since Aug 2018
CDN
Cloudflare
since May 2026
JavaScript frameworks
JavaScript libraries
Load balancers
Azure Front Door
since Feb 2025
PaaS
Azure
since Feb 2025
Programming languages
Java
since Jan 2016
Security
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 95% desktop
- 5% phone
Czechia
Slovakia
Poland
Hungary
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.57 / 10 · ranked #390,832 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- CDN: Microsoft Azure
- Weight: 0.4 MB · 20 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Microsoft (4.207.110.253)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: DigiCert, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 14,269,427, 10 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cz.fast.eu | 12 |
| sk.fast.eu | 12 |
| hu.fast.eu | 9 |
| pl.fast.eu | 9 |
| www.fast.eu | 9 |
Full technology history →
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Recent changes
- detected Cloudflare May 2026