What powers spsk.cz?
Last seen Sep 2026 · 11 technologies across 8 categories
CMS
Databases
Font scripts
Miscellaneous
Page builders
Performance
Programming languages
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 89% phone
- 11% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.89 / 10 · ranked #3,896,318 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 21.3 MB · 27 requests
- WordPress theme: bricks · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEDOS-GLOBAL (185.8.237.5, IPv6)
- DNS: wedos.com
- Email: wedos.net
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 1,580,391, 3 hosts
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
- detected WordPress Block Editor Sep 2026
- dropped WordPress Block Editor Jul 2026
- detected WordPress Block Editor Apr 2026
- dropped Nginx Mar 2026
- dropped WordPress Block Editor Mar 2026
- detected Apache HTTP Server Feb 2026
- detected WordPress Block Editor Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Google Font API Nov 2025
- dropped Ionicons Nov 2025
- dropped jQuery Nov 2025
- dropped jQuery Migrate Nov 2025