What powers kalkar.de?
Last seen Jun 2026 · 20 technologies across 12 categories
Analytics
Etracker
since May 2021
CDN
cdnjs
since May 2022
Cloudflare
since May 2022
CMS
Drupal
since May 2025
Comment systems
JavaScript libraries
Maps
Miscellaneous
Payment processors
Tabby
since May 2025
Programming languages
PHP
since May 2025
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Oct 2023
Nginx
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2023
Audience
- 86% phone
- 8% tablet
- 6% desktop
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.34 / 10 · ranked #428,260 of all domains
91 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German
- Weight: 4.6 MB · 30 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.kalkar.de | 12 |
| karriere.kalkar.de | 9 |
| kalkar.de | 8 |
| ris.kalkar.de | 6 |
Full technology history →
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Recent changes
- dropped core-js May 2026
- dropped jsDelivr May 2026
- dropped React May 2026
- dropped Font Awesome Apr 2026
- detected core-js Mar 2026
- detected jsDelivr Mar 2026
- detected React Mar 2026
- dropped Preact Dec 2025
- detected Font Awesome Nov 2025