What powers edmclass.com?
Last seen Jun 2026 · 47 technologies across 19 categories
Analytics
CDN
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Ecommerce
Cart Functionality
since Sep 2020
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Dec 2020
JavaScript frameworks
React
since Sep 2025
JavaScript graphics
JavaScript libraries
Live chat
Channel.io
since Sep 2025
Miscellaneous
Babel
since Dec 2020
Choices
since Feb 2021
Open Graph
since Sep 2022
Prism
since Dec 2020
Twitter Emoji (Twemoji)
since Sep 2020
PaaS
Amazon Web Services
since Apr 2023
Performance
Priority Hints
since Apr 2026
Programming languages
PHP
since Jan 2019
Security
HSTS
since Oct 2025
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Animate.css
since Sep 2020
Web servers
Apache HTTP Server
since Jan 2019
Widgets
Facebook
since Jan 2019
Audience
- 57% phone
- 36% desktop
- 7% tablet
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.48 / 10 · ranked #25,869,362 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 6.2 MB · 151 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.edmclass.com | 25 |
| china.edmclass.com | 21 |
| korean.edmclass.com | 20 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Apr 2026
- dropped Ubuntu Dec 2025
- detected HSTS Oct 2025
- detected Channel.io Sep 2025
- detected React Sep 2025
- detected styled-components Sep 2025
- dropped Cloudflare Bot Management Aug 2025
- dropped Google Hosted Libraries Aug 2025
- dropped Oracle BlueKai Aug 2025
- dropped Vimeo Aug 2025
- dropped YouTube Aug 2025