What powers zdrave.cz?
Last seen Aug 2026 · 34 technologies across 16 categories
Advertising
Advertising Networks
Analytics
CDN
Cookie compliance
Font scripts
Issue Trackers
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Web Frameworks
Web servers
Widgets
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 87% phone
- 13% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.14 / 10 · ranked #485,128 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 250 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.9 MB · 121 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on O2-CZECH-REPUBLIC (194.228.93.212)
- DNS: wedos.com
- Email: Seznam Email
- Email security: no SPF record, no DMARC record, DNSSEC signed, MTA-STS, BIMI
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 3,120,680, 266 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| autismus.zdrave.cz | 21 |
| rozvoj-osobnosti.zdrave.cz | 19 |
| afty.zdrave.cz | 18 |
| antikoncepce.zdrave.cz | 18 |
| epilepsie.zdrave.cz | 18 |
| extranet.zdrave.cz | 18 |
| maniodepresivni-psychoza.zdrave.cz | 18 |
| mozkove-krvaceni.zdrave.cz | 18 |
| otoky.zdrave.cz | 18 |
| paleni-zahy.zdrave.cz | 18 |
| poruchy-menstruace.zdrave.cz | 18 |
| prostata.zdrave.cz | 18 |
| unava.zdrave.cz | 18 |
| vady-reci.zdrave.cz | 18 |
| www.zdrave.cz | 18 |
| rentgen.zdrave.cz | 14 |
| angina.zdrave.cz | 13 |
| hubnuti-dieta-a-zdrava-strava.zdrave.cz | 13 |
| infekcni-nemoci.zdrave.cz | 13 |
| kozni-onemocneni.zdrave.cz | 13 |
| nemoci-traviciho-ustroji.zdrave.cz | 13 |
| oci.zdrave.cz | 13 |
| onemocneni-kloubu-a-koncetin.zdrave.cz | 13 |
| opalovani.zdrave.cz | 13 |
Full technology history →
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Recent changes
- detected Cloudflare Aug 2026
- detected Cloudflare Bot Management Aug 2026
- detected Angie Jul 2026
- detected C Jul 2026
- detected Perl Jul 2026