What powers sipadan.cz?
Last seen Sep 2026 · 14 technologies across 14 categories
Advertising
Twitter Ads
since Mar 2022
Analytics
Google Analytics
since Mar 2022
Authentication
Facebook Login
since Mar 2022
CDN
Cloudflare
since Mar 2025
Font scripts
Google Font API
since Mar 2022
JavaScript frameworks
AMP
since Mar 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Mar 2022
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Mar 2022
Web frameworks
Nette Framework
since Mar 2022
Web servers
Nginx
since Mar 2022
Widgets
Twitter
since Mar 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
1.61 / 10 · ranked #5,593,991 of all domains
4 referring domains · OpenPageRank
Infrastructure
- Hosted on ACTIVE24-AS www.active24.cz (81.95.98.36)
- DNS: websupport.cz
- Email: sipadan.cz
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 39,854,746, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Mar 2026
- dropped Cloudflare Bot Management Mar 2026