What powers 
uvtnet.cz?
Last seen Oct 2026 · 22 technologies across 16 categories
Analytics
Cloudflare Browser Insights
since Feb 2026
Google Analytics
since Jan 2019
CDN
Cloudflare
since Oct 2020
jsDelivr
since Aug 2020
CMS
Comment systems
Font scripts
Google Font API
since Aug 2020
JavaScript libraries
Maps
Miscellaneous
Open Graph
since Feb 2026
Performance
Cloudflare Rocket Loader
since Feb 2026
Cloudflare Zaraz
since Feb 2026
Programming languages
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web frameworks
Nette Framework
since Feb 2026
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Nov 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Nov 2026 *: Blocked (was Restricted)
- Oct 2026 *: Restricted (was Blocked)
- Oct 2026 *: Blocked (was Allowed)
- Oct 2026 *: Allowed (was Blocked)
- Sep 2026 *: Blocked (was Allowed)
- Sep 2026 *: Allowed (was Blocked)
AI Crawlers
All crawlers blocked
Standards: llms.txt
Audience
- 58% phone
- 42% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.95 / 10 · ranked #606,840 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 1.2 MB · 56 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.26.10.45, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF, DMARC quarantine, DNSSEC signed, BIMI
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 14,221,509, 4 hosts
- Verified with: Google, Meta Business, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| uvtnet.cz | 16 |
| www.uvtnet.cz | 10 |
| moje.uvtnet.cz | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HSTS Oct 2026
- dropped Cloudflare Bot Management Mar 2026
- dropped Cloudflare Network Error Logging Mar 2026
- dropped core-js Mar 2026
- dropped Lodash Mar 2026
- dropped Osano Mar 2026
- dropped parcel Mar 2026
- dropped Select2 Mar 2026
- dropped Google Remarketing Tag Feb 2026