What powers iteach4u.kr?
Last seen Jun 2026 · 28 technologies across 17 categories
Advertising
Analytics
Google Analytics
since Jan 2019
Snowplow Analytics
since May 2021
Authentication
Facebook Login
since Jun 2021
CDN
Cloudflare
since Dec 2024
jsDelivr
since Mar 2026
Cookie compliance
Funding Choices
since Sep 2023
Editors
DreamWeaver
since Jan 2019
Font scripts
Google Font API
since Nov 2025
JavaScript libraries
FingerprintJS
since May 2026
web-vitals
since May 2026
Load balancers
Amazon ALB
since Aug 2021
Miscellaneous
PWA
since Aug 2022
PaaS
Amazon Web Services
since Aug 2021
Programming languages
Security
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Widgets
FlexSlider
since Jan 2019
Audience
- 78% desktop
- 13% tablet
- 9% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.22 / 10 · ranked #75,872,302 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 0.2 MB · 16 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.iteach4u.kr | 23 |
| www2.iteach4u.kr | 22 |
| backup.iteach4u.kr | 15 |
| iteach4u.kr | 14 |
| home.iteach4u.kr | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected core-js May 2026
- detected Ezoic May 2026
- dropped Facebook May 2026
- detected FingerprintJS May 2026
- detected ID5 May 2026
- detected Prebid May 2026
- detected web-vitals May 2026
- detected OpenResty Apr 2026
- detected jsDelivr Mar 2026
- detected HSTS Jan 2026
- detected Google Font API Nov 2025