What powers efihostinec.cz?
Last seen Sep 2026 · 32 technologies across 15 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Programming languages
Security
UI frameworks
Web server extensions
Web servers
Webmail
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 66% phone
- 34% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.80 / 10 · ranked #1,979,293 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 2.5 MB · 76 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.54.96, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 18,198,987, 2 hosts
- Verified with: Google
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.efihostinec.cz | 29 |
| efihostinec.cz | 27 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Fluent Forms Jul 2026
- detected Cloudflare Browser Insights Nov 2025