What powers kobrakladno.cz?
Last seen Sep 2026 · 10 technologies across 7 categories
Analytics
CDN
JavaScript frameworks
Maps
Miscellaneous
Performance
UI frameworks
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
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.29 / 10 · ranked #8,803,967 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 200 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 0.6 MB · 19 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Industry: Sports and fitness (declares
SportsActivityLocation)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.55.114)
- Email: fixs.cz
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 33,358,792, 2 hosts
- Verified with: Google
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
- dropped Apache HTTP Server Sep 2026
- dropped Bootstrap Sep 2026
- dropped Google Analytics Sep 2026
- dropped Google Font API Sep 2026
- dropped HSTS Sep 2026
- dropped jQuery Sep 2026
- dropped jsDelivr Sep 2026
- dropped PHP Sep 2026
- dropped SweetAlert Sep 2026
- detected Cloudflare Jul 2026
- detected Cloudflare Browser Insights Jul 2026
- detected Google Maps Jul 2026
- detected HTTP/3 Jul 2026
- detected Priority Hints Jul 2026
- detected Radix UI Jul 2026
- detected shadcn/ui Jul 2026
- detected Tailwind CSS Jul 2026