What powers blue4sky.com?
Last seen Jun 2026 · 30 technologies across 14 categories
Advertising
Google AdSense
since Dec 2023
Analytics
Google Analytics
since Dec 2023
Naver Analytics
since Dec 2023
Blogs
Blogger
since Apr 2025
CDN
CMS
Tistory
since Dec 2023
Font scripts
Google Font API
since Oct 2024
Issue trackers
Sentry
since Dec 2024
JavaScript frameworks
Svelte
since Dec 2024
JavaScript libraries
Clipboard.js
since Apr 2025
Highlight.js
since Dec 2023
LazySizes
since Oct 2024
Lightbox
since Dec 2023
Miscellaneous
Programming languages
Security
Tag managers
Google Tag Manager
since Dec 2023
Web servers
OpenGSE
since Oct 2024
Audience
- 82% desktop
- 18% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.91 / 10 · ranked #14,313,235 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 2.1 MB · 136 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ddd.blue4sky.com | 21 |
| blue4sky.com | 20 |
| aaa.blue4sky.com | 18 |
| blog.blue4sky.com | 18 |
| ccc.blue4sky.com | 18 |
| naver.blue4sky.com | 18 |
| naverme.blue4sky.com | 18 |
| bbb.blue4sky.com | 17 |
| blogme.blue4sky.com | 16 |
| best.blue4sky.com | 13 |
Full technology history →
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Recent changes
- detected Cloudflare Bot Management Jun 2026