What powers chungbook-e.com?
Last seen Aug 2026 · 20 technologies across 11 categories
Analytics
Google Analytics
since Jul 2026
CDN
Font scripts
Google Font API
since Jul 2026
JavaScript frameworks
JavaScript libraries
Live chat
Channel.io
since Jul 2026
Miscellaneous
PaaS
Amazon Web Services
since Dec 2025
Programming languages
Node.js
since Dec 2025
Tag managers
Google Tag Manager
since Jul 2026
UI frameworks
MUI
since Jul 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 68% desktop
- 32% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.10 / 10 · ranked #110,141,546 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.45 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Korean
- CDN: Amazon CloudFront
- Weight: 4.4 MB · 83 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- detected core-js Aug 2026
- dropped Next.js App Router Aug 2026
- dropped Priority Hints Aug 2026
- dropped Radix UI Aug 2026
- dropped Tailwind CSS Aug 2026
- detected Amazon CloudFront Jul 2026
- detected cdnjs Jul 2026
- detected Channel.io Jul 2026
- detected Cloudflare Jul 2026
- detected Emotion Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- detected HTTP/3 Jul 2026
- detected Lodash Jul 2026
- detected MUI Jul 2026
- detected styled-components Jul 2026