What powers okgroup.cz?
Last seen Sep 2026 · 15 technologies across 10 categories
Analytics
CDN
Development
JavaScript frameworks
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 75% desktop
- 25% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.40 / 10 · ranked #1,007,374 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- CDN: Vercel
- Weight: 18.7 MB · 83 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: ignum.com
- Email: okgroup.cz
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 15,280,060, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Snowplow Analytics Jun 2026
- dropped Google Analytics May 2026
- dropped Google Tag Manager May 2026
- dropped Nginx May 2026
- dropped Plesk May 2026
- dropped PWA May 2026
- dropped RSS May 2026
- detected DigitalOcean Spaces Apr 2026
- detected Next.js Apr 2026
- detected Next.js App Router Apr 2026
- detected Node.js Apr 2026
- detected Priority Hints Apr 2026
- detected Radix UI Apr 2026
- detected React Apr 2026
- detected Tailwind CSS Apr 2026
- detected Turbopack Apr 2026
- detected Vercel Apr 2026
- detected Vercel Analytics Apr 2026
- detected Webpack Apr 2026