What powers vzduchotechnika-ventilace.cz?
Last seen Sep 2026 · 21 technologies across 14 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since May 2025
Authentication
Facebook Login
since Jul 2021
CDN
cdnjs
since Oct 2021
Cloudflare
since May 2022
Ecommerce
Shoptet
since Oct 2024
SparkPost
since Aug 2022
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Live chat
Miscellaneous
HTTP/3
since May 2026
Open Graph
since Oct 2024
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Jan 2019
Tag managers
Google Tag Manager
since May 2019
UI frameworks
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 65% phone
- 35% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.17 / 10 · ranked #3,166,300 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.2 MB · 145 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- vzduchotechnika-ventilace
- Profiles: Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- DNS: forpsi.cz
- Email: platron.cz
- Email security: SPF (soft fail), no DMARC record
- Common Crawl link graph: rank 19,048,990
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cart Functionality Sep 2026
- detected HTTP/3 May 2026
- detected OpenResty May 2026
- detected Cart Functionality Apr 2026
- detected cdnjs Nov 2025
- detected Cloudflare Nov 2025
- detected Font Awesome Nov 2025