What powers 21.academy?
Last seen Jun 2026 · 62 technologies across 23 categories
A/B Testing
Google Optimize
since Mar 2024
Analytics
CDN
Amazon S3
since May 2026
cdnjs
since Oct 2024
Cloudflare
since Mar 2024
Hostinger CDN
since Jul 2025
Unpkg
since Mar 2024
CMS
Databases
MySQL
since Oct 2023
Ecommerce
Cart Functionality
since Mar 2024
Font scripts
Hosting
Hostinger
since Oct 2023
JavaScript frameworks
JavaScript graphics
particles.js
since Mar 2024
JavaScript libraries
AOS
since Mar 2024
Clipboard.js
since Oct 2024
crypto-js
since Mar 2024
Slick
since Apr 2024
Swiper
since Oct 2023
Live chat
WhatsApp Business Chat
since Apr 2024
Miscellaneous
PaaS
Amazon Web Services
since Mar 2024
Performance
Priority Hints
since Oct 2023
Programming languages
RUM
New Relic
since Dec 2025
Security
Tag managers
Google Tag Manager
since Oct 2023
Video players
YouTube
since Dec 2024
Web servers
WordPress plugins
Litespeed Cache
since Oct 2023
Popup Maker
since Oct 2024
Premio Chaty
since Apr 2024
WP Rocket
since Mar 2025
WordPress themes
Hello Elementor
since Mar 2024
Audience
- 68% desktop
- 32% phone
Bangladesh
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.43 / 10 · ranked #31,959,014 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| 21.academy | 30 |
| test.21.academy | 27 |
| live.21.academy | 24 |
| myclass.21.academy | 24 |
| dashboard.21.academy | 22 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Jun 2026
- detected Amazon S3 May 2026
- detected Site Kit Apr 2026
- detected reCAPTCHA Mar 2026
- detected New Relic Dec 2025
- detected Facebook Pixel Aug 2025
- detected Moment.js Aug 2025
- detected React Aug 2025