What powers esfai.co.kr?
Last seen Jun 2026 · 17 technologies across 8 categories
Analytics
Google Analytics
since Dec 2023
Naver Analytics
since Dec 2023
CDN
jsDelivr
since Dec 2024
Ecommerce
Cafe24
since Nov 2021
Cart Functionality
since Nov 2021
Font scripts
Google Font API
since Dec 2023
JavaScript libraries
Miscellaneous
Open Graph
since Dec 2023
Security
HSTS
since Dec 2023
Web servers
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.22 / 10 · ranked #76,122,805 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0.75 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 8.4 MB · 115 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| esfai.co.kr | 16 |
| m.esfai.co.kr | 15 |
Full technology history →
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Recent changes
- dropped Channel.io Jun 2026
- dropped React Jun 2026
- dropped styled-components Jun 2026