What powers groupcal.app?
Last seen Jun 2026 · 40 technologies across 20 categories
Analytics
Amplitude
since Mar 2023
Google Analytics
since Apr 2022
Authentication
Google Sign-in
since Feb 2025
CDN
CMS
Databases
Development
Emotion
since Feb 2025
Font scripts
Google Font API
since Apr 2022
Issue trackers
JavaScript frameworks
React
since Feb 2025
JavaScript libraries
Maps
Google Maps
since Oct 2025
Marketing automation
CleverTap
since Feb 2025
Miscellaneous
PaaS
Amazon Web Services
since Feb 2025
Payment processors
Paddle
since Feb 2025
Programming languages
PHP
since Apr 2022
Security
Cloudflare Bot Management
since Nov 2025
reCAPTCHA
since Feb 2025
UI frameworks
Web servers
LiteSpeed
since Aug 2023
WordPress plugins
Litespeed Cache
since May 2022
WP-PageNavi
since Aug 2025
Audience
- 94% desktop
- 6% phone
Italy
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.38 / 10 · ranked #1,024,417 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 400 ms |
| CLS | 0.2 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 11.3 MB · 247 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| app.groupcal.app | 23 |
| www.groupcal.app | 20 |
Full technology history →
Report an incorrect detection
Recent changes
- detected React Router Jun 2026
- dropped JSS May 2026
- detected JSS Mar 2026
- detected Zendesk Mar 2026
- detected Cloudflare Nov 2025
- detected Cloudflare Bot Management Nov 2025
- detected Google Maps Oct 2025
- detected lit-element Oct 2025
- detected lit-html Oct 2025
- detected Amplitude Aug 2025
- detected Bootstrap Aug 2025
- detected Contact Form 7 Aug 2025
- detected jQuery Aug 2025
- detected Popper Aug 2025
- detected Slick Aug 2025
- detected WP-PageNavi Aug 2025