What powers 
nejlepsiknihydetem.cz?
Last seen Oct 2026 · 11 technologies across 9 categories
Analytics
Authentication
Facebook Login
since Jul 2021
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jan 2019
Web frameworks
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 50% desktop
- 50% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.50 / 10 · ranked #402,332 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 1.5 MB · 87 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Jul 2014 (12 years) via ACTIVE 24, s.r.o., renews Jul 2027
- Hosted on CASABLANCA-AS CASABLANCA INT a.s. (109.123.216.104)
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 3,048,234, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted