What powers 
rozectise.cz?
Last seen Apr 2026 · 13 technologies across 11 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Facebook Pixel
since Jul 2021
Google Analytics
since Feb 2020
Authentication
Facebook Login
since Jul 2021
Font scripts
Google Font API
since Feb 2020
JavaScript libraries
Miscellaneous
HTTP/3
since Mar 2026
Programming languages
PHP
since Feb 2020
UI frameworks
Bootstrap
since Feb 2020
Web frameworks
Nette Framework
since Feb 2020
Web servers
Widgets
Twitter
since Feb 2020
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
Open Page Rank
3.45 / 10 · ranked #951,307 of all domains
37 referring domains · OpenPageRank
Infrastructure
- Hosted on Websupport (37.9.175.204, IPv6)
- DNS: websupport.cz
- Email: Active 24
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed, MTA-STS, BIMI
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 2,475,006, 7 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected HTTP/3 Mar 2026
- detected OpenResty Mar 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025