What powers 
ujv.cz?
Last seen Aug 2026 · 18 technologies across 10 categories
Analytics
JavaScript libraries
Maps
Miscellaneous
Operating systems
Security
Tag managers
Web 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 |
|---|---|---|
| rez | #54 | 21 |
| ujv | #72 | 2 |
| ujv | #38 | 2 |
| tacr | #70 | 1 |
| asme pvp 2025 | #25 | 0 |
| necenzurovan zprvy | #27 | 0 |
| power-to-gas | #26 | 0 |
| power to gas technology | #34 | 0 |
| power to gas | #44 | 0 |
| jaslovsk bohunice | #23 | 0 |
| jaslovsk bohunice | #23 | 0 |
| mnsr | #40 | 0 |
| mochovce npp | #30 | 0 |
| generation iv nuclear reactors | #25 | 0 |
| energoprojekt | #48 | 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
- 53% phone
- 47% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.05 / 10 · ranked #242,050 of all domains
118 referring domains · OpenPageRank
Search traffic
26 est. monthly organic visits (US)
15 keywords in Google's top 30
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 11.5 MB · 31 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- ÚJV Řež
- Founded: 1992
- Sector: nuclear industry
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on WEDOS (37.157.193.128)
- DNS: ujv.cz
- Email: cez.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 554,712, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ujv.cz | 14 |
| msmail.ujv.cz | 4 |
Full technology history →
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Recent changes
- dropped Microsoft 365 Aug 2026
- detected Swiper Jul 2026