What powers sszdra-karvina.cz?
Last seen Sep 2026 · 33 technologies across 17 categories
Analytics
Google Analytics
since Oct 2019
Tinybird
since Feb 2026
CDN
cdnjs
since Nov 2023
Cloudflare
since Nov 2023
CMS
WordPress
since Oct 2019
Cookie compliance
CookieYes
since Feb 2022
Databases
MySQL
since Oct 2019
Font scripts
Google Font API
since Oct 2019
JavaScript frameworks
React
since Feb 2026
JavaScript libraries
AOS
since Jul 2021
Miscellaneous
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Oct 2019
Security
UI frameworks
Video players
YouTube
since Jan 2021
Web servers
Apache HTTP Server
since Oct 2019
Webmail
Google Workspace
since Aug 2022
WordPress plugins
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.90 / 10 · ranked #1,769,813 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 225 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 2.7 MB · 101 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Střední zdravotnická škola Karviná
- Industry: Education (declares
EducationalOrganization) - Profiles: Facebook, Instagram
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (185.158.133.1)
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 8,941,715
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sszdra-karvina.cz | 25 |
| www.sszdra-karvina.cz | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected PWA Aug 2026
- dropped Download Monitor Mar 2026
- dropped Really Simple SSL & Security Mar 2026
- dropped WordPress Block Editor Mar 2026
- detected Cloudflare Bot Management Feb 2026
- detected Radix UI Feb 2026
- detected React Feb 2026
- detected React Router Feb 2026
- detected shadcn/ui Feb 2026
- detected Tailwind CSS Feb 2026
- detected Tinybird Feb 2026