What powers souzma.cz?
Last seen Sep 2026 · 18 technologies across 10 categories
CDN
Font scripts
Google Font API
since Mar 2020
Typekit
since Jun 2022
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Oct 2021
Security
reCAPTCHA
since Jun 2022
Tag managers
Google Tag Manager
since Jun 2022
Web frameworks
Web servers
Nginx
since Jun 2022
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
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.05 / 10 · ranked #3,466,071 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.9 MB · 74 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ACTIVE24-AS www.active24.cz (81.95.99.217)
- DNS: web4ce.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 13,246,572, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted