What powers led-expert.cz?
Last seen Sep 2026 · 11 technologies across 8 categories
Analytics
Font scripts
JavaScript libraries
Live chat
Miscellaneous
Security
Tag managers
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 51% desktop
- 49% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.75 / 10 · ranked #4,652,496 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 4.4 MB · 68 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- LED-Expert.cz
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (81.31.37.22, IPv6)
- DNS: golemos.com
- Email: golemos.com
- Email security: SPF (hard fail), DMARC quarantine, CAA
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 25,689,647
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted