What powers 
kralovstvilesa.cz?
Last seen Oct 2026 · 11 technologies across 10 categories
CDN
jQuery CDN
since May 2022
Comment systems
JavaScript libraries
Maps
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Dec 2020
Tag managers
Google Tag Manager
since Jul 2019
UI frameworks
Web frameworks
Nette Framework
since Dec 2020
Web servers
Apache HTTP Server
since Jul 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
- 90% phone
- 10% desktop
Czechia
Germany
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.92 / 10 · ranked #634,628 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 12.5 MB · 43 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (78.46.152.55)
- DNS: forpsi.cz
- Email: forpsi.com
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: DigiCert, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 11,518,121, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted