What powers grafika.cz?
Last seen Aug 2026 · 10 technologies across 10 categories
Advertising
Analytics
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Operating Systems
Programming languages
Security
Web Servers
Widgets
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.01 / 10 · ranked #563,261 of all domains
82 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.2 MB · 114 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEB4U (81.91.84.189)
- DNS: web4u.cz
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 681,017, 15 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected AddThis Jul 2026
- detected Apache HTTP Server Jul 2026
- detected core-js Jul 2026
- detected Debian Jul 2026
- detected Google AdSense Jul 2026
- detected Google Analytics Jul 2026
- detected jQuery Jul 2026
- detected PHP Jul 2026
- detected reCAPTCHA Jul 2026
- detected RSS Jul 2026