What powers seifert-melnik.cz?
Last seen Oct 2026 · 13 technologies across 10 categories
Analytics
Matomo Analytics
since Aug 2020
CDN
Google Hosted Libraries
since Aug 2022
Font scripts
Google Font API
since May 2020
JavaScript libraries
Miscellaneous
Operating systems
Debian
since May 2020
Programming languages
PHP
since May 2020
Web frameworks
Nette Framework
since May 2020
Web servers
Webmail
Google Workspace
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.55 / 10 · ranked #6,078,150 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 5.6 MB · 60 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (83.167.252.184)
- DNS: wedos.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 31,253,965, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted