What powers jihak.co.kr?
Last seen Jun 2026 · 52 technologies across 21 categories
Analytics
Google Analytics
since Jun 2018
Naver Analytics
since Apr 2022
CDN
Amazon CloudFront
since May 2022
cdnjs
since May 2022
Cloudflare
since May 2022
jsDelivr
since Aug 2025
Unpkg
since Sep 2024
CMS
Gnuboard
since Sep 2024
Databases
MySQL
since Sep 2024
Ecommerce
Cart Functionality
since Nov 2021
Font scripts
JavaScript frameworks
JavaScript graphics
ApexCharts.js
since Jul 2024
Chart.js
since Jul 2024
JavaScript libraries
Load balancers
Amazon ALB
since May 2022
Miscellaneous
Operating systems
PaaS
Amazon Web Services
since May 2022
Programming languages
Rich text editors
Quill
since Jul 2024
Security
HSTS
since Jul 2024
Tag managers
Google Tag Manager
since Jan 2021
UI frameworks
Web frameworks
Microsoft ASP.NET
since Apr 2018
Web server extensions
Web servers
Audience
- 82% desktop
- 11% phone
- 6% tablet
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.10 / 10 · ranked #3,332,569 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 3.1 MB · 102 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| new.jihak.co.kr | 20 |
| www.jihak.co.kr | 20 |
| textbook.jihak.co.kr | 17 |
| code.jihak.co.kr | 14 |
| reading.jihak.co.kr | 13 |
| t-sol.jihak.co.kr | 12 |
| jihak.co.kr | 11 |
| m.jihak.co.kr | 11 |
| pen.jihak.co.kr | 11 |
| tsol.jihak.co.kr | 10 |
| book.jihak.co.kr | 6 |
| etextbook.jihak.co.kr | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Hosted Libraries Sep 2025
- detected jsDelivr Aug 2025