What powers dczolarek.cz?
Last seen Sep 2026 · 8 technologies across 5 categories
Analytics
Google Analytics
since May 2019
Font scripts
Google Font API
since Jul 2020
JavaScript libraries
Closure Library
since Nov 2023
Marked
since Jul 2026
Miscellaneous
Open Graph
since Mar 2023
Video players
YouTube
since Jul 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
1.93 / 10 · ranked #3,764,122 of all domains
2 referring domains · OpenPageRank
Infrastructure
- Hosted on Websupport (37.9.175.164, IPv6)
- DNS: websupport.cz
- Email: dczolarek.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 45,886,605
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Sites Feb 2026