What powers yhs.co.kr?
Last seen May 2025 · 3 technologies across 3 categories
CDN
Google Hosted Libraries
since Apr 2023
JavaScript libraries
Web frameworks
Microsoft ASP.NET
since May 2025
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. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.02 / 10 · ranked #1,547,066 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Hosted on KOSCOM-AS-KR KOSCOM (211.200.21.245)
- DNS: itkoscom.co.kr
- Email: speedhosting.co.kr
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 269,432
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted