What powers coresleep.co.kr?
Last seen Jun 2026 · 19 technologies across 10 categories
Analytics
Google Analytics
since Apr 2023
Naver Analytics
since Apr 2022
CDN
Google Hosted Libraries
since Apr 2023
jsDelivr
since May 2021
Ecommerce
Cafe24
since Jul 2021
Cart Functionality
since Jul 2021
Font scripts
Google Font API
since May 2021
JavaScript libraries
Miscellaneous
Kakao
since Apr 2022
Open Graph
since Apr 2023
Security
HSTS
since Apr 2023
Tag managers
Google Tag Manager
since May 2026
Video players
YouTube
since Apr 2023
Web servers
Audience
- 100% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.39 / 10 · ranked #39,225,781 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 27.8 MB · 188 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Google Tag Manager May 2026