What powers 
czechphycology.cz?
Last seen Oct 2026 · 10 technologies across 8 categories
CDN
jQuery CDN
since Aug 2022
Font scripts
Google Font API
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Aug 2024
PWA
since Aug 2024
Operating systems
SUSE
since Aug 2022
Programming languages
Security
HSTS
since Sep 2022
Web servers
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Bytespider Blocked
- CCBot Blocked
The other 31 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 *: Allowed (was Restricted)
- Nov 2026 bytespider added to robots.txt
- Nov 2026 ccbot added to robots.txt
- Oct 2026 *: Restricted (was Allowed)
- Oct 2026 bytespider removed from robots.txt
- Oct 2026 ccbot removed from robots.txt
AI Crawlers
2 of 33 AI crawlers blocked
Open Page Rank
4.12 / 10 · ranked #495,453 of all domains
52 referring domains · OpenPageRank
Page
- Weight: 0.5 MB · 29 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Fottea (Praha)
From Wikidata (CC0).
Infrastructure
- Registered Oct 2006 (20 years) via Webglobe, s.r.o., renews Oct 2027
- Hosted on Amazon Web Services (3.73.27.108)
- DNS: ignum.com
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 628,798, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted