What powers seminarkyza1.cz?
Last seen Aug 2026 · 25 technologies across 14 categories
Analytics
Google Analytics
since Aug 2018
Authentication
Facebook Login
since Mar 2025
CDN
Font scripts
Google Font API
since May 2019
Issue trackers
Help Scout
since Feb 2022
Sentry
since Mar 2025
JavaScript frameworks
JavaScript libraries
Preact
since May 2022
Miscellaneous
Operating systems
Ubuntu
since Mar 2025
Programming languages
PHP
since Aug 2018
Security
HSTS
since Mar 2025
UI frameworks
Tailwind CSS
since May 2023
Web frameworks
Nette Framework
since Aug 2018
Web servers
Apache HTTP Server
since Jan 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 71% phone
- 29% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.75 / 10 · ranked #4,641,658 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 1.2 MB · 47 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEDOS (46.28.105.86)
- DNS: websupport.cz
- Email: wedos.net
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 16,468,102, 3 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.seminarkyza1.cz | 18 |
| vzory.seminarkyza1.cz | 13 |