What powers demtec.cz?
Last seen Oct 2026 · 22 technologies across 12 categories
Analytics
Google Analytics
since May 2026
CDN
jQuery CDN
since Oct 2026
jsDelivr
since Oct 2026
JavaScript frameworks
Reveal.js
since Oct 2026
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since May 2024
Performance
Priority Hints
since Oct 2026
Programming languages
Security
HSTS
since Oct 2026
Tag managers
Google Tag Manager
since Oct 2026
Web frameworks
Web servers
Nginx
since May 2024
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.52 / 10 · ranked #6,316,191 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 0.6 MB · 33 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on ONE-NETWORK (195.181.248.117)
- DNS: forpsi.cz
- Email: forpsi.com
- Email security: SPF (hard fail), DMARC quarantine
- Common Crawl link graph: rank 62,678,206, 2 hosts
DNS records as swept Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected FancyBox Oct 2026
- detected Google Tag Manager Oct 2026
- detected Highlight.js Oct 2026
- detected HSTS Oct 2026
- detected HTTP/3 Oct 2026
- detected jQuery CDN Oct 2026
- detected jsDelivr Oct 2026
- detected Laravel Oct 2026
- detected Open Graph Oct 2026
- detected PHP Oct 2026
- detected Priority Hints Oct 2026
- detected PWA Oct 2026
- detected Reveal.js Oct 2026
- detected Swiper Oct 2026