What powers 
wug.cz?
Last seen Sep 2026 · 9 technologies across 6 categories
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
Windows Server
since Apr 2019
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
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
- 69% desktop
- 31% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.00 / 10 · ranked #567,726 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.4 MB · 63 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on AMCCOMP-MASTER-BRNO (185.179.33.70, IPv6)
- DNS: amccomp.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 3072, expires Nov 2026
- Common Crawl link graph: rank 510,315, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| wug.cz | 9 |
| www.wug.cz | 9 |