What powers vsprace.cz?
Last seen Sep 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
CDN
jQuery CDN
since Feb 2022
jsDelivr
since Oct 2024
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Live chat
Pure Chat
since May 2021
Marketing automation
MailChimp
since Aug 2022
Miscellaneous
Programming languages
PHP
since Jan 2019
UI frameworks
Web frameworks
Nette Framework
since Jan 2019
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
- 65% phone
- 35% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.53 / 10 · ranked #2,445,910 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.8 MB · 69 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Websupport (37.9.175.188)
- DNS: Websupport
- Email: vsprace.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Sectigo, RSA 4096, wildcard, expires Feb 2027
- Common Crawl link graph: rank 15,689,469, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vsprace.cz | 18 |
| m.vsprace.cz | 15 |