What powers 
jika.cz?
Last seen Oct 2024 · 21 technologies across 13 categories
Analytics
CDN
Akamai
since Jul 2020
JavaScript frameworks
React
since Sep 2023
JavaScript libraries
Live chat
Zendesk Chat
since Aug 2021
Load balancers
Amazon ALB
since Sep 2021
Operating systems
CentOS
since Jan 2019
PaaS
Amazon Web Services
since Sep 2021
Programming languages
Java
since Sep 2021
RUM
Akamai mPulse
since Jul 2021
Tag managers
Google Tag Manager
since Jan 2019
Web server extensions
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% phone
- 43% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.12 / 10 · ranked #494,072 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.4 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- CDN: Akamai
- Weight: 3.1 MB · 169 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on MICROSOFT-CORP-MSN-AS-BLOCK (20.33.33.50)
- DNS: ascio.com
- Email: no MX record returned
- Email security: SPF (hard fail)
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 17,750,316, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted