What powers reas.cz?
Last seen Jun 2026 · 23 technologies across 14 categories
Advertising
Microsoft Advertising
since Dec 2021
Analytics
Ahrefs
since Jun 2023
Google Analytics
since Jan 2019
Linkedin Insight Tag
since Sep 2023
Microsoft Clarity
since Feb 2022
CDN
Cloudflare
since Jul 2025
Google Cloud CDN
since Jul 2025
Cookie compliance
Google Workspace
since Aug 2022
IaaS
Google Cloud
since Apr 2022
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Sendinblue
since Jan 2023
Miscellaneous
Programming languages
Node.js
since Apr 2019
Security
Cloudflare Bot Management
since Jul 2025
Tag managers
Google Tag Manager
since Jan 2019
Audience
- 77% phone
- 21% desktop
- 2% tablet
Czechia
Slovakia
Germany
United Kingdom
Italy
Spain
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.31 / 10 · ranked #1,118,081 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.1 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Google
- Weight: 2.2 MB · 120 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped TikTok Pixel Mar 2026
- dropped Popper Sep 2025
- dropped Priority Hints Sep 2025