What powers kalender.se?
Last seen Jun 2026 · 45 technologies across 20 categories
A/B Testing
Google Optimize
since Feb 2021
Advertising
Criteo
since Mar 2024
DoubleClick Ad Exchange (AdX)
since Apr 2018
Google AdSense
since Apr 2018
Google Publisher Tag
since Feb 2021
ID5
since Mar 2024
Prebid
since Mar 2024
Analytics
Google Analytics
since Jun 2018
Microsoft Clarity
since Mar 2026
Mouse Flow
since Jan 2024
Piwik PRO Core
since Jan 2024
Quantcast Measure
since Feb 2021
Snowplow Analytics
since Mar 2024
CDN
Bunny
since Mar 2023
cdnjs
since May 2022
Cloudflare
since May 2022
jQuery CDN
since Feb 2022
jsDelivr
since Mar 2024
Cookie compliance
Funding Choices
since Dec 2022
Font scripts
JavaScript frameworks
JavaScript libraries
Closure Library
since Oct 2023
Preact
since Nov 2021
Maps
Google Maps
since Mar 2024
Miscellaneous
Open Graph
since Nov 2025
PWA
since Jan 2024
Operating systems
Ubuntu
since Feb 2019
Performance
Priority Hints
since Nov 2025
Programming languages
Node.js
since Jan 2024
TypeScript
since Jan 2024
Rich text editors
Quill
since Apr 2024
Security
HSTS
since Jan 2024
Static site generator
Astro
since Nov 2025
Tag managers
Google Tag Manager
since Apr 2018
UI frameworks
Tailwind CSS
since Jan 2024
Web frameworks
Express
since Jan 2024
Web servers
Audience
- 61% desktop
- 39% phone
Sweden
Norway
Spain
Finland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #326,562 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Swedish
- Weight: 1.3 MB · 63 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| beta.kalender.se | 26 |
| www.kalender.se | 20 |
| old.kalender.se | 19 |
| kalender.se | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Clarity Mar 2026
- dropped reCAPTCHA Feb 2026
- detected Astro Nov 2025
- detected Open Graph Nov 2025
- dropped parcel Nov 2025
- detected Priority Hints Nov 2025
- dropped SWC Nov 2025
- detected parcel Sep 2025
- detected SWC Sep 2025
- detected reCAPTCHA Aug 2025