What powers 
utukutu.cz?
Last seen Sep 2026 · 25 technologies across 14 categories
Advertising
Analytics
Authentication
CDN
Ecommerce
JavaScript libraries
Live chat
Miscellaneous
Performance
Programming languages
Tag managers
UI frameworks
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Aug 2026 Content Signals changed
AI Crawlers
No AI crawlers blocked
Standards: Content Signals
Audience
- 77% phone
- 23% desktop
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.67 / 10 · ranked #779,141 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.4 MB · 147 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.83.184, IPv6)
- DNS: Cloudflare DNS
- Email: webglobe.cz
- Email security: SPF (soft fail), DMARC monitor only
- SSL: ZeroSSL, ECDSA P384, expires Oct 2026
- Common Crawl link graph: rank 2,952,924, 3 hosts
- Verified with: Google, Meta Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Lodash Sep 2026
- detected Microsoft Clarity Jun 2026
- detected Cloudflare May 2026
- detected HTTP/3 May 2026
- detected OpenResty May 2026
- dropped cdnjs Apr 2026
- dropped Cloudflare Apr 2026
- detected Gravatar Mar 2026
- detected Swiper Mar 2026