What powers ceslet.cz?
Last seen Sep 2026 · 10 technologies across 8 categories
Analytics
Google Analytics
since Jun 2025
Font scripts
Google Font API
since Feb 2025
JavaScript libraries
Miscellaneous
HTTP/3
since Jun 2026
Open Graph
since Feb 2025
Programming languages
PHP
since Feb 2025
Web frameworks
Web servers
Webmail
Microsoft 365
since Feb 2025
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
2.52 / 10 · ranked #2,462,035 of all domains
13 referring domains · OpenPageRank
Page
- Language: Czech
- Weight: 0.9 MB · 24 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Websupport (37.9.175.213, IPv6)
- DNS: ce.industries
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 1,413,410
- Verified with: Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted