What powers 
umedvidku.cz?
Last seen Sep 2026 · 32 technologies across 15 categories
Advertising
Analytics
Caching
CMS
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
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 Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 78% phone
- 22% desktop
Czechia
Germany
Italy
Spain
United Kingdom
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.32 / 10 · ranked #432,015 of all domains
88 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- Weight: 1.2 MB · 221 requests
- WordPress theme: enfold · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Nov 1998 (27 years) via ACTIVE 24, s.r.o., renews Oct 2027
- Hosted on Websupport (37.9.175.211, IPv6)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, wildcard, expires Jan 2027
- Common Crawl link graph: rank 2,668,669, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Analytics Aug 2026
- dropped Isotope Aug 2026
- dropped lit-element Aug 2026
- dropped lit-html Aug 2026
- detected Contact Form 7 Jun 2026
- detected reCAPTCHA Jun 2026
- detected jQuery Migrate May 2026
- detected Site Kit May 2026
- dropped Amazon ALB Mar 2026
- dropped Amazon Web Services Mar 2026
- dropped GSAP Mar 2026
- dropped jQuery Migrate Mar 2026
- dropped MediaElement.js Mar 2026
- dropped Unpkg Mar 2026
- dropped YouTube Mar 2026
- detected Chart.js Feb 2026
- detected Lightbox Feb 2026
- detected lit-element Feb 2026
- detected lit-html Feb 2026
- detected Underscore.js Feb 2026
- detected HTTP/3 Dec 2025
- detected OpenResty Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Sentry Nov 2025