What powers calc.edu?
Last seen Jun 2026 · 42 technologies across 21 categories
Advertising
Simpli.fi
since May 2022
Analytics
CMS
WordPress
since Feb 2020
Databases
MySQL
since Feb 2020
Font scripts
Hosting
GoDaddy
since Aug 2022
JavaScript graphics
Chart.js
since Feb 2020
JavaScript libraries
Isotope
since Jul 2021
LazySizes
since Mar 2022
Lightbox
since Feb 2020
Modernizr
since Feb 2020
OWL Carousel
since Feb 2020
Live chat
Pure Chat
since Oct 2023
Miscellaneous
Page builders
Bricks
since Oct 2024
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Feb 2020
Security
reCAPTCHA
since Feb 2020
Tag managers
Google Tag Manager
since Oct 2020
UI frameworks
Video players
Web servers
Nginx
since Feb 2020
Webmail
Microsoft 365
since Aug 2022
Widgets
WordPress plugins
Smash Balloon Instagram Feed
since Jun 2025
TablePress
since Oct 2024
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.68 / 10 · ranked #2,200,302 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 2.6 MB · 80 requests
- WordPress theme: bricks (child: bricks-child-1) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.calc.edu | 30 |
| calc.edu | 29 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Animate.css Oct 2025
- detected Font Awesome Oct 2025