What powers gvuo.cz?
Last seen Aug 2026 · 28 technologies across 15 categories
Analytics
CDN
Comment systems
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Programming languages
Rich text editors
Security
Tag managers
UI frameworks
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| korpaczewski | #8 | 2 |
| jagiellonian dynasty | #38 | 1 |
| why are gargoyles on churches | #88 | 0 |
| who was the maid of orleans | #81 | 0 |
| why were gargoyles put on churches | #85 | 0 |
| zrzav | #79 | 0 |
| zrzav | #17 | 0 |
| brasilia architect | #12 | 0 |
| bohemian kings | #34 | 0 |
| cats in the middle ages | #25 | 0 |
| the golden bull of 1356 | #23 | 0 |
| the gospels of henry the lion | #37 | 0 |
| the weavers kathe kollwitz | #39 | 0 |
| the weavers kathe kollwitz | #39 | 0 |
| artifacts from the 1960s | #93 | 0 |
| jagiellon dynasty | #33 | 0 |
| jan zrzav | #41 | 0 |
| knight fairy tale | #44 | 0 |
| maid of orleans joan of arc | #77 | 0 |
| medieval eagle symbol | #43 | 0 |
| middle ages cat | #94 | 0 |
| abstraction-creation | #15 | 0 |
| gargoyle statues on churches | #77 | 0 |
| four landscapes | #98 | 0 |
| four landscapes | #98 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 81% phone
- 19% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.30 / 10 · ranked #202,359 of all domains
124 referring domains · OpenPageRank
Search traffic
3 est. monthly organic visits (US)
26 keywords in Google's top 30
Core Web Vitals
| LCP | 2.6 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.3 MB · 151 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Galerie výtvarného umění v Ostravě, p. o. (Gallery of Fine Arts in Ostrava on Wikidata)
- Founded: 1952
- Country: Czech Republic
- Profiles: Facebook, Instagram, YouTube
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on CASABLANCA-AS Internet & Collocation Provider (82.208.18.187, IPv6)
- DNS: websupport.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 82,591, 5 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gvuo.cz | 21 |
| www.gvuo.cz | 21 |
| katalog.gvuo.cz | 10 |