What powers zsorechov.cz?
Last seen Aug 2026 · 17 technologies across 12 categories
CMS
Databases
MySQL
since Apr 2019
Font scripts
Twitter Emoji (Twemoji)
since Oct 2022
JavaScript libraries
Lightbox
since Apr 2019
Miscellaneous
Open Graph
since Jan 2026
RSS
since Dec 2022
Page builders
Performance
Priority Hints
since Dec 2023
Programming languages
PHP
since Apr 2019
Security
Really Simple SSL & Security
since Apr 2024
Web servers
Nginx
since Apr 2019
Webmail
Microsoft 365
since Aug 2022
WordPress themes
AI Crawlers
robots.txt could not be read at the last check (Aug 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 87% phone
- 13% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.15 / 10 · ranked #10,485,717 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.7 MB · 65 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (83.167.244.201, IPv6)
- DNS: forpsi.cz
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- Common Crawl link graph: rank 42,005,192, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Lightbox Apr 2026
- dropped Lightbox Feb 2026
- detected Open Graph Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026