What powers heavytools.cz?
Last seen Jun 2026 · 29 technologies across 19 categories
Accessibility
UserWay
since Aug 2025
Advertising
Adform
since Feb 2026
Microsoft Advertising
since Jan 2026
Analytics
Facebook Pixel
since Jul 2021
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since May 2019
Microsoft Clarity
since Sep 2024
Caching
CDN
Bunny
since Mar 2024
Cookie compliance
CookieYes
since Jan 2026
Customer data platform
SALESmanago
since Sep 2025
Font scripts
Bunny Fonts
since Mar 2024
Google Font API
since Dec 2021
JavaScript libraries
Maps
Google Maps
since May 2019
Miscellaneous
Open Graph
since Mar 2024
Payment processors
PayPal
since Oct 2025
Programming languages
PHP
since Sep 2021
Security
Tag managers
Google Tag Manager
since May 2019
Video players
YouTube
since Dec 2021
Web servers
Apache HTTP Server
since May 2019
Nginx
since Dec 2021
Webmail
Microsoft 365
since Aug 2022
Widgets
Facebook
since May 2019
Audience
- 88% phone
- 9% desktop
- 3% tablet
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.59 / 10 · ranked #5,749,024 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 7.4 MB · 249 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| hello.heavytools.cz | 18 |
| contest.heavytools.cz | 16 |
| www.heavytools.cz | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped lit-element May 2026
- dropped lit-html May 2026
- detected Adform Feb 2026
- dropped Microsoft Word Feb 2026
- detected CookieYes Jan 2026
- detected Microsoft Advertising Jan 2026
- dropped Laravel Oct 2025
- dropped Lodash Oct 2025
- detected PayPal Oct 2025
- dropped React Oct 2025
- detected SALESmanago Sep 2025
- detected Microsoft Word Aug 2025
- detected UserWay Aug 2025