What powers zspsms.cz?
Last seen Sep 2026 · 5 technologies across 5 categories
Font scripts
Google Font API
since Jun 2021
Miscellaneous
HTTP/3
since Apr 2026
Programming languages
PHP
since Jun 2021
Web frameworks
Nette Framework
since Jun 2021
Webmail
Microsoft 365
since Mar 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.92 / 10 · ranked #3,812,764 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 4.2 MB · 12 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (185.129.138.106)
- DNS: aceit.cz
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 32,766,203, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server May 2026
- dropped Bootstrap May 2026
- dropped CookieYes May 2026
- dropped core-js May 2026
- dropped Isotope May 2026
- dropped jQuery May 2026
- dropped jQuery UI May 2026
- dropped jsDelivr May 2026
- dropped Lightbox May 2026
- dropped prettyPhoto May 2026
- dropped PWA May 2026
- dropped Splide May 2026
- detected Google Font API Apr 2026
- detected HTTP/3 Apr 2026
- detected Nette Framework Apr 2026