What powers usquare.co.kr?
Last seen Oct 2026 · 6 technologies across 5 categories
Analytics
Google Analytics
since Jun 2019
JavaScript libraries
Programming languages
Java
since Feb 2019
Rich text editors
CKEditor
since Feb 2019
Web servers
Apache Tomcat
since Feb 2019
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
AI Crawlers
No AI crawlers blocked
Audience
- 55% phone
- 45% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.81 / 10 · ranked #1,950,372 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 5.9 MB · 62 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Korea Telecom (211.63.212.157)
- DNS: kumhoenc.com
- Email: 16.40
- Email security: SPF (soft fail), no DMARC record
- SSL: GlobalSign, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,421,859, 3 hosts
- Verified with: GlobalSign, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| usquare.co.kr | 6 |
| www.usquare.co.kr | 5 |