What powers activecalculus.org?
Last seen Jun 2026 · 12 technologies across 11 categories
CMS
Databases
MySQL
since Aug 2023
Font scripts
Twitter Emoji (Twemoji)
since Dec 2025
Miscellaneous
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Aug 2023
Programming languages
Security
HSTS
since Aug 2023
Web servers
LiteSpeed
since Aug 2023
WordPress plugins
Jetpack
since Aug 2023
WordPress themes
Twenty Ten
since Aug 2023
Audience
- 83% desktop
- 17% phone
United States
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.32 / 10 · ranked #1,101,168 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 2.6 MB · 20 requests
- WordPress theme: twentyten · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Nginx Sep 2025
- dropped OpenResty Sep 2025
- detected Jetpack Aug 2025