What powers 
synlab.cz?
Last seen Aug 2026 · 25 technologies across 18 categories
Advertising
CDN
CMS
Cookie compliance
Font scripts
JavaScript libraries
Load balancers
Miscellaneous
Operating systems
PaaS
Performance
Photo galleries
Programming languages
Security
UI frameworks
Web frameworks
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 22% desktop
- 2% tablet
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.12 / 10 · ranked #495,570 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.6 MB · 20 requests
- Structured data: Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- synlab czech
- Founded: 2010
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on RELAIX RelAix Networks GmbH (45.146.172.46)
- DNS: ns14.net
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 8,882,827, 3 hosts
- Verified with: Apple Business, Meta Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vysledky.synlab.cz | 10 |
| www.synlab.cz | 10 |
| elab-brno.synlab.cz | 9 |
| auth.muj.synlab.cz | 8 |
| elab-praha.synlab.cz | 6 |
| kalkulacka.synlab.cz | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Apr 2026
- dropped Google Maps Apr 2026
- dropped lit-element Apr 2026
- dropped lit-html Apr 2026