What powers isokor.cz?
Last seen Sep 2026 · 35 technologies across 19 categories
Analytics
CMS
Comment systems
Databases
Font scripts
JavaScript libraries
Live chat
Load balancers
Maps
Miscellaneous
Operating systems
Performance
Programming languages
Security
Tag managers
Video players
Web frameworks
Web servers
WordPress plugins
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
- 84% phone
- 12% desktop
- 5% tablet
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.81 / 10 · ranked #4,296,225 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.0 MB · 85 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Websupport (37.9.175.180, IPv6)
- Email: Websupport
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 24,874,582, 4 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.isokor.cz | 26 |
| isokor.cz | 24 |
Full technology history →
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Recent changes
- dropped reCAPTCHA Aug 2026
- detected MediaElement.js Jul 2026
- detected Smartsupp Jun 2026
- dropped PixelYourSite May 2026
- detected reCAPTCHA Apr 2026
- dropped Facebook Pixel Jan 2026
- dropped reCAPTCHA Jan 2026
- detected PixelYourSite Dec 2025