What powers ohrozenedite.cz?
Last seen Oct 2026 · 23 technologies across 16 categories
Analytics
Google Analytics
since Apr 2020
Hotjar
since Apr 2020
Authentication
Facebook Login
since Sep 2021
Google Sign-in
since Sep 2021
Comment systems
Microsoft 365
since Aug 2022
SparkPost
since Aug 2022
Font scripts
Google Font API
since Apr 2020
Issue trackers
Sentry
since Apr 2020
JavaScript frameworks
JavaScript libraries
Maps
Mapbox GL JS
since Feb 2023
Marketing automation
OptinMonster
since Feb 2022
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Feb 2023
Programming languages
TypeScript
since Sep 2021
Security
HSTS
since Jan 2023
Tag managers
Google Tag Manager
since Apr 2020
Web servers
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
- 84% phone
- 16% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.48 / 10 · ranked #2,534,995 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.1 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 3.0 MB · 99 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Linode (Akamai) (139.162.203.44, IPv6)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 18,785,870, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted