What powers iucto.cz?
Last seen Jun 2026 · 38 technologies across 20 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Mar 2026
Smartlook
since Nov 2022
TikTok Pixel
since May 2024
CDN
Cloudflare
since Aug 2022
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
Issue trackers
Sentry
since Jul 2024
JavaScript frameworks
Svelte
since Feb 2023
JavaScript libraries
Marketing automation
Mautic
since Jun 2026
Miscellaneous
Operating systems
Red Hat
since Aug 2022
Programming languages
Reverse proxies
Envoy
since Feb 2023
Security
Tag managers
Google Tag Manager
since Jan 2019
Web frameworks
Ruby on Rails
since Feb 2023
Web server extensions
Web servers
Webmail
Google Workspace
since Aug 2022
WordPress plugins
Audience
- 96% desktop
- 4% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.17 / 10 · ranked #1,313,613 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 125 ms |
| CLS | 0.2 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.8 MB · 107 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.iucto.cz | 25 |
| iucto.cz | 18 |
| online.iucto.cz | 15 |
| podpora.iucto.cz | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Mautic Jun 2026
- dropped React May 2026
- detected Choices Apr 2026
- detected jQuery Migrate Apr 2026
- detected WPForms Apr 2026
- detected Microsoft Clarity Mar 2026
- detected React Mar 2026
- dropped cdnjs Nov 2025
- dropped jQuery CDN Nov 2025
- dropped jQuery UI Nov 2025
- dropped Svelte Nov 2025