What powers kast.or.kr?
Last seen Sep 2026 · 16 technologies across 8 categories
Analytics
Naver Analytics
since Apr 2022
CDN
Font scripts
Google Font API
since May 2019
JavaScript libraries
Clipboard.js
since May 2024
Slick
since May 2019
Miscellaneous
Open Graph
since Sep 2022
Programming languages
UI frameworks
Web servers
Nginx
since May 2019
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 89% desktop
- 11% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.84 / 10 · ranked #696,784 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0.1 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 9.8 MB · 98 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Korean Academy of Science and Technology
- Founded: 1995
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Hosted on SK Broadband (1.248.227.99)
- DNS: kast.or.kr
- Email: bizboxa.com
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 125,588, 7 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| archive.kast.or.kr | 10 |
| kast.or.kr | 9 |
| www.kast.or.kr | 9 |