What powers geosan-development.cz?
Last seen Oct 2026 · 14 technologies across 9 categories
Analytics
Facebook Pixel
since Jun 2021
Google Analytics
since Apr 2019
Issue trackers
JavaScript libraries
Maps
Google Maps
since Apr 2019
Operating systems
CentOS
since Apr 2019
Programming languages
Tag managers
Google Tag Manager
since Apr 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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.31 / 10 · ranked #1,117,869 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 3.0 MB · 65 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on WIA-AS (217.11.237.242)
- DNS: web4u.cz
- Email: funlife.cz
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 14,355,342, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped New Relic Jan 2026