What powers semifitness.cz?
Last seen Oct 2026 · 16 technologies across 9 categories
Analytics
Google Analytics
since Sep 2026
CDN
Amazon S3
since Sep 2026
Cloudflare
since Sep 2026
Issue trackers
Sentry
since Sep 2026
JavaScript frameworks
React
since Sep 2026
Miscellaneous
PaaS
Amazon Web Services
since Sep 2026
Render
since Sep 2026
Security
HSTS
since Sep 2026
UI frameworks
Web frameworks
Remix
since Sep 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.2 MB · 160 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (128.140.2.156, IPv6)
- DNS: websupport.cz
- Email: Seznam Email
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted