What powers web4u.cz?
Last seen Jun 2026 · 46 technologies across 25 categories
A/B Testing
Advertising
Reddit Ads
since Jul 2025
Analytics
Google Analytics
since Jun 2018
Quora Pixel
since Jul 2025
CDN
cdnjs
since Jan 2022
Cloudflare
since May 2022
CMS
Cookie compliance
Osano
since Jan 2022
Customer data platform
SALESmanago
since Sep 2024
Databases
MySQL
since Nov 2021
Ecommerce
ePages
since Aug 2018
Font scripts
JavaScript frameworks
JavaScript libraries
Isotope
since Nov 2021
Underscore.js
since Aug 2018
Live chat
Intercom
since Nov 2022
Miscellaneous
Operating systems
Debian
since Aug 2018
Page builders
wpBakery
since Feb 2022
Programming languages
Retargeting
Google Remarketing Tag
since Nov 2021
Security
SEO
Tag managers
Google Tag Manager
since Apr 2018
UI frameworks
Web frameworks
Nette Framework
since Jun 2018
Web servers
WordPress plugins
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| web4u | #33 | 9 |
| web4you | #33 | 0 |
| web4u login | #25 | 0 |
| silkroad servers | #77 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 84% desktop
- 16% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.87 / 10 · ranked #52,230 of all domains
116 referring domains · OpenPageRank
Search traffic
9 est. monthly organic visits (US)
4 keywords in Google's top 30
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.9 MB · 89 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| eidentita.web4u.cz | 21 |
| eu.web4u.cz | 19 |
| www.web4u.cz | 18 |
| helpdesk.web4u.cz | 10 |
| support.web4u.cz | 8 |
| debian-cd.mirror.web4u.cz | 1 |