What powers infis.cz?
Last seen Sep 2026 · 34 technologies across 17 categories
CMS
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Marketing automation
Miscellaneous
Operating systems
Page builders
Performance
Programming languages
Security
UI frameworks
Web frameworks
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 69% phone
- 31% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.04 / 10 · ranked #3,487,365 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.0 MB · 113 requests
- WordPress theme: bridge (child: bridge-child) · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Websupport (37.9.175.212, IPv6)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 1,490,571, 6 hosts
- Verified with: Apple Business, Brevo, Google, Meta Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| infis.cz | 25 |
| portal.infis.cz | 9 |
| bakalari.infis.cz | 8 |
Full technology history →
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Recent changes
- dropped Isotope Aug 2026
- dropped MediaElement.js Aug 2026
- dropped React Aug 2026
- detected Marked Jul 2026
- detected Closure Library Jan 2026
- dropped All in One SEO Dec 2025
- dropped Cookiebot Dec 2025
- dropped core-js Dec 2025
- dropped Google Analytics Dec 2025
- dropped Google Sites Dec 2025
- dropped LazySizes Dec 2025
- dropped Microsoft Advertising Dec 2025
- dropped reCAPTCHA Dec 2025
- dropped Slider Revolution Dec 2025
- dropped WPMU DEV Smush Dec 2025
- detected Cloudflare Turnstile Nov 2025
- detected Cookie Notice Nov 2025
- detected Priority Hints Nov 2025
- detected Smart Slider 3 Nov 2025