What powers readin.co.kr?
Last seen Jun 2026 · 26 technologies across 12 categories
CDN
jQuery CDN
since Mar 2026
jsDelivr
since May 2023
Font scripts
Google Font API
since May 2023
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since May 2023
Vercel
since Oct 2025
Performance
Priority Hints
since Oct 2025
Programming languages
Security
HSTS
since Mar 2025
UI frameworks
Bootstrap
since May 2023
Web servers
Apache HTTP Server
since Jan 2019
Audience
- 82% tablet
- 13% desktop
- 5% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.40 / 10 · ranked #36,230,810 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.5 s |
| INP | 725 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 9.0 MB · 93 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| edu.readin.co.kr | 10 |
| exam.readin.co.kr | 9 |
| readin.co.kr | 9 |
| www.readin.co.kr | 9 |
| m.readin.co.kr | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Kakao May 2026
- dropped Animate.css Nov 2025
- dropped Bootstrap Nov 2025
- dropped Bootstrap Icons Nov 2025
- dropped cdnjs Nov 2025
- dropped Cloudflare Nov 2025
- dropped core-js Nov 2025
- dropped Font Awesome Nov 2025
- dropped Google Font API Nov 2025
- dropped Java Nov 2025
- dropped jsDelivr Nov 2025
- dropped OWL Carousel Nov 2025
- dropped Unpkg Nov 2025