What powers hellichovka.cz?
Last seen Aug 2026 · 18 technologies across 13 categories
Analytics
Google Analytics
since Oct 2019
CMS
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript libraries
Miscellaneous
Photo galleries
Programming languages
PHP
since Jan 2019
Security
Really Simple SSL & Security
since Apr 2024
UI frameworks
Web servers
Nginx
since Apr 2026
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
AI Crawlers
robots.txt could not be read at the last check (Aug 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 81% phone
- 19% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.69 / 10 · ranked #2,182,011 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 9.1 MB · 78 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Vyšší odborná škola grafická a Střední průmyslová škola grafická
- Founded: 1920
- Country: Czech Republic
- Profiles: Facebook, Instagram
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on ONE-NETWORK (185.102.21.52)
- DNS: webglobe.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 11,281,829, 4 hosts
- Verified with: Adobe, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server May 2026
- detected HTTP/3 Apr 2026
- detected Nginx Apr 2026