What powers 
mestokralupy.cz?
Last seen Sep 2026 · 15 technologies across 10 categories
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
crypto-js
since Feb 2025
decimal.js
since Feb 2025
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Sep 2020
Windows Server
since Feb 2025
Performance
Priority Hints
since Apr 2026
Programming languages
Security
HSTS
since Feb 2025
Web frameworks
Microsoft ASP.NET
since Feb 2025
Web server extensions
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not found
- ai.txt not found
AI Crawlers
Policy unknown
Audience
- 75% phone
- 26% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.26 / 10 · ranked #441,831 of all domains
61 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 3.6 MB · 77 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Kralupy nad Vltavou
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on SECURITYNET-AS (46.36.38.133, IPv6)
- DNS: ignum.com
- Email: mestokralupy.cz
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: DigiCert, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 536,428, 7 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| portalobcana.mestokralupy.cz | 9 |
| www.mestokralupy.cz | 6 |