What powers calculus.group?
Last seen Aug 2026 · 31 technologies across 19 categories
Advertising
Microsoft Advertising
since Aug 2026
Analytics
Google Analytics
since Apr 2023
CDN
CreateJS
since Aug 2026
Google Hosted Libraries
since Aug 2026
Cookie compliance
iubenda
since Mar 2026
Documentation
Zendesk
since May 2026
Font scripts
Font Awesome
since Aug 2026
Google Font API
since Sep 2022
JavaScript frameworks
JavaScript libraries
Splide
since Mar 2026
Maps
Google Maps
since Jul 2025
Miscellaneous
Open Graph
since Apr 2023
PWA
since Sep 2022
Performance
Priority Hints
since Mar 2026
Programming languages
PHP
since Aug 2025
TypeScript
since Sep 2022
Rich text editors
Monaco Editor
since Jul 2025
Security
Tag managers
Google Tag Manager
since Apr 2023
UI frameworks
Bootstrap
since Aug 2022
Web frameworks
Microsoft ASP.NET
since Sep 2022
Web servers
Webmail
Microsoft 365
since Apr 2024
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 70% phone
- 30% desktop
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.27 / 10 · ranked #9,041,525 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 6.4 s |
| INP | 275 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 17.2 MB · 106 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| www.calculus.group | 21 |
| portal.calculus.group | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Zendesk May 2026
- dropped Backdrop Apr 2026
- dropped Cart Functionality Apr 2026
- dropped Firebase Apr 2026
- dropped Less Apr 2026
- dropped Odoo Apr 2026
- dropped PHP Apr 2026
- dropped Popper Apr 2026
- dropped PostgreSQL Apr 2026
- dropped Python Apr 2026
- dropped Swiper Apr 2026
- dropped Facebook Pixel Mar 2026
- dropped jQuery UI Mar 2026
- dropped Leadinfo Mar 2026
- dropped Linkedin Insight Tag Mar 2026
- dropped Lodash Mar 2026
- dropped Moment.js Mar 2026
- dropped Select2 Mar 2026