What powers cal.com.br?
Last seen Jun 2026 · 34 technologies across 20 categories
Analytics
CDN
jsDelivr
since Oct 2020
CMS
WordPress
since Oct 2020
Databases
MySQL
since Oct 2020
Ecommerce
Sendgrid
since Jan 2025
Font scripts
Font Awesome
since Oct 2020
Google Font API
since Dec 2025
JavaScript libraries
Live chat
WhatsApp Business Chat
since Jun 2023
Marketing automation
RD Station
since Dec 2024
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Debian
since Apr 2020
Windows Server
since Jan 2019
Performance
Priority Hints
since Oct 2023
Programming languages
PHP
since Oct 2020
Security
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Oct 2020
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web frameworks
Microsoft ASP.NET
since Jan 2019
Web servers
Apache HTTP Server
since Apr 2020
WordPress plugins
Audience
- 76% phone
- 24% desktop
Brazil
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.97 / 10 · ranked #3,674,294 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.8 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Portuguese (Portugal)
- Weight: 39.3 MB · 214 requests
- WordPress theme: cal · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.cal.com.br | 29 |
| cal.com.br | 6 |
| livres.cal.com.br | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected WhatsApp Business Chat Feb 2026
- detected Google Font API Dec 2025
- dropped WhatsApp Business Chat Nov 2025
- detected Microsoft Clarity Aug 2025