What powers kostech.co.kr?
Last seen Sep 2026 · 18 technologies across 9 categories
Analytics
Google Analytics
since Jul 2022
Naver Analytics
since May 2025
CDN
Google Hosted Libraries
since Jul 2022
Unpkg
since Jul 2022
Font scripts
JavaScript libraries
Miscellaneous
Rich text editors
CKEditor
since Jul 2022
UI frameworks
Bootstrap
since Jul 2022
Material Design Lite
since Jul 2022
Video players
YouTube
since Mar 2023
Web servers
Nginx
since Jul 2022
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 91% phone
- 9% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.65 / 10 · ranked #5,294,537 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 7.9 MB · 106 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (13.124.106.16)
- DNS: quvdns.com
- Email: no MX record returned
- SSL: Sectigo, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 14,471,511, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kostech.co.kr | 18 |
| www.kostech.co.kr | 18 |