What powers 
sci.co.kr?
Last seen Sep 2026 · 7 technologies across 4 categories
Analytics
JavaScript libraries
Miscellaneous
Programming languages
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 82% desktop
- 18% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.04 / 10 · ranked #538,087 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 2.2 MB · 37 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- SCI Information Service
- Founded: 1992
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Hosted on SCI-AS-KR Seoul Information Service Inc. (210.207.91.38)
- DNS: sci.co.kr
- Email: sci.co.kr
- Email security: SPF (hard fail), no DMARC record
- SSL: Sectigo, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,550,153, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sci.co.kr | 7 |
| sci.co.kr | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Sep 2026
- detected Google Analytics Sep 2026
- detected Naver Analytics Sep 2026
- detected Open Graph Sep 2026