What powers splavek.cz?
Last seen Oct 2026 · 17 technologies across 12 categories
Analytics
Facebook Pixel
since Jan 2022
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
CDN
Google Hosted Libraries
since Feb 2022
Ecommerce
Cart Functionality
since Mar 2021
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
jQuery Migrate
since Jan 2019
Select2
since Jan 2019
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jan 2019
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Nette Framework
since Jan 2019
Web servers
Nginx
since Jan 2019
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not found
- ai.txt not found
AI Crawlers
Policy unknown
Audience
- 88% phone
- 12% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.56 / 10 · ranked #6,020,101 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 3.5 MB · 165 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on SERVERZONE (185.216.220.41)
- DNS: jzstudio.cz
- Email: mail25.cz
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 16,669,343, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted