What powers gmhs.cz?
Last seen Oct 2026 · 17 technologies across 13 categories
Caching
CDN
CMS
IaaS
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Security
UI frameworks
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 *: Allowed (was Restricted)
- Oct 2026 petalbot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 59% phone
- 41% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.81 / 10 · ranked #1,962,191 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- CDN: Fastly
- Weight: 0.3 MB · 12 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Gymnázium a Hudební škola hlavního města Prahy
- Founded: 1996
- Industry: Education (declares
EducationalOrganization) - Country: Czech Republic
- Profiles: Instagram, Facebook
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Wix DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 9,301,463
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.gmhs.cz | 14 |
| gmhs.cz | 5 |
Full technology history →
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