What powers 
ostrava.cz?
Last seen Sep 2026 · 129 technologies across 34 categories
Advertising
Analytics
CDN
CMS
Comment systems
Cookie compliance
Databases
Development
Editors
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Issue trackers
JavaScript frameworks
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Maps
Miscellaneous
Operating systems
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Performance
Photo galleries
Programming languages
Retargeting
Rich text editors
Security
SEO
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Webmail
Widgets
WordPress plugins
WordPress themes
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 not found
- ai.txt not found
- Sep 2026 *: Allowed (was Restricted)
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| populace | #79 | 14 |
| vodu | #85 | 3 |
| ostrava czech republic | #33 | 2 |
| ostrava-svinov | #8 | 1 |
| prave | #90 | 1 |
| ze pro | #59 | 0 |
| zitek | #78 | 0 |
| clarion ostrava hotel | #50 | 0 |
| cinu | #97 | 0 |
| vanoce | #68 | 0 |
| vile v | #92 | 0 |
| vzcn 50 koruna | #65 | 0 |
| where is koly p from | #69 | 0 |
| rothschild palaces | #24 | 0 |
| starkl | #55 | 0 |
| moravskoslezsk kraj | #69 | 0 |
| morys menu | #77 | 0 |
| nov radnice | #68 | 0 |
| ostrava vitkovice | #38 | 0 |
| ostrava airport | #29 | 0 |
| ovron | #24 | 0 |
| ivan jara | #62 | 0 |
| losti | #85 | 0 |
| meste z | #94 | 0 |
| meste z | #34 | 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
- 78% phone
- 20% desktop
- 2% tablet
Czechia
Poland
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.40 / 10 · ranked #23,684 of all domains
762 referring domains · OpenPageRank
Search traffic
21 est. monthly organic visits (US)
30 keywords in Google's top 30
Core Web Vitals
| LCP | 2.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.8 MB · 111 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
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Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Ostrava
- Founded: 1267
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Registered Nov 1997 (28 years), renews Oct 2030
- Hosted on RADWARE (167.86.50.45)
- DNS: ostrava.cz
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 41,369, 192 hosts
- Verified with: Apple Business, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bezpecnejsi.ostrava.cz | 34 |
| map.ostrava.cz | 28 |
| socialniveci.ostrava.cz | 28 |
| domovkamenec.ostrava.cz | 25 |
| osvobozeni.ostrava.cz | 25 |
| streetart.ostrava.cz | 25 |
| utulek.ostrava.cz | 24 |
| amo.ostrava.cz | 23 |
| domoviris.ostrava.cz | 21 |
| narodnidnyprevence.ostrava.cz | 21 |
| poruba.ostrava.cz | 21 |
| hrabova.ostrava.cz | 20 |
| pozemky.ostrava.cz | 20 |
| convention.ostrava.cz | 19 |
| domovslunecnice.ostrava.cz | 19 |
| lhotka.ostrava.cz | 19 |
| ovajih.ostrava.cz | 19 |
| socialnizaclenovani.ostrava.cz | 19 |
| sociopoint.ostrava.cz | 19 |
| byty.ostrava.cz | 18 |
| cloud.ostrava.cz | 18 |
| domov-slunovrat.ostrava.cz | 18 |
| domovkorytko.ostrava.cz | 18 |
| domovslunicko.ostrava.cz | 18 |
Full technology history →
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Recent changes
- detected Microsoft 365 Jun 2026
- detected Swiper Apr 2026