What powers sa.cz?
Last seen Aug 2026 · 35 technologies across 18 categories
Analytics
Google Analytics
since Jun 2018
Google Analytics Enhanced eCommerce
since Jun 2018
Hotjar
since Jun 2018
CDN
jsDelivr
since Mar 2022
CMS
OpenCms
since May 2017
Font Scripts
Font Awesome
since May 2017
Google Font API
since May 2017
Issue trackers
Atlassian Jira
since Oct 2022
JavaScript Frameworks
JavaScript libraries
DataTables
since Aug 2018
Underscore.js
since Oct 2022
Miscellaneous
PWA
since Oct 2022
Mobile frameworks
jQuery-pjax
since Oct 2022
Operating Systems
Debian
since May 2017
Programming languages
Java
since Jun 2018
Rich text editors
CKEditor
since Oct 2022
Security
Tag Managers
Google Tag Manager
since May 2017
UI frameworks
Angular Material
since Apr 2020
Web Frameworks
Apache Wicket
since Jan 2022
Web Servers
Nginx
since Sep 2025
Widgets
Facebook
since Jun 2018
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
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 90% phone
- 10% desktop
Czechia
Slovakia
Austria
Germany
Hungary
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.12 / 10 · ranked #1,392,302 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 350 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.0 MB · 141 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on HA-VEL-LOCAL-AS Czech republic (217.66.178.225)
- DNS: sa.cz
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 7,481,451, 11 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| jira.sa.cz | 15 |
| www.sa.cz | 13 |
| brn-ybus-sp.sa.cz | 8 |
| smeny.sa.cz | 8 |
| ybus.sa.cz | 8 |
| heslo.sa.cz | 6 |
| platba.sa.cz | 5 |
| sogo.sa.cz | 5 |
| login.sa.cz | 3 |