What powers schoolsunited.cz?
Last seen Aug 2026 · 24 technologies across 13 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Apr 2026
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Dec 2022
PWA
since Aug 2022
Operating systems
Ubuntu
since Dec 2023
Programming languages
PHP
since Jan 2019
Security
reCAPTCHA
since Dec 2023
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Bootstrap
since Mar 2020
Tailwind CSS
since Mar 2026
Web frameworks
Web servers
Kestrel
since Feb 2024
Webmail
Google Workspace
since Aug 2022
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
- Aug 2026 *: Allowed (was Blocked)
- Aug 2026 amazonbot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 93% desktop
- 7% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #334,746 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| CLS | 0.05 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 14.9 MB · 84 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEDOS (46.28.110.178, IPv6)
- DNS: wedos.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed, MTA-STS, BIMI
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 16,892,959, 4 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| schoolsunited.cz | 17 |
| www.predmety.schoolsunited.cz | 9 |
| www.schoolsunited.cz | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected jQuery UI Jul 2026
- dropped Stripe Jul 2026
- detected Microsoft Clarity Apr 2026
- detected Tailwind CSS Mar 2026
- detected Alpine.js Feb 2026
- detected Laravel Feb 2026
- detected Livewire Feb 2026
- detected PHP Feb 2026
- detected core-js Dec 2025
- detected Facebook Pixel Dec 2025
- detected Google Analytics Dec 2025