What powers sofsys.co.kr?
Last seen Sep 2026 · 35 technologies across 16 categories
Advertising
Analytics
CDN
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
PaaS
Programming languages
Security
Tag managers
Video players
Web servers
Widgets
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
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.53 / 10 · ranked #23,617,605 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 15.3 MB · 276 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Korea Telecom (183.111.139.228)
- DNS: Cafe24
- Email: hiworks.co.kr
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 25,114,011
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| m.sofsys.co.kr | 31 |
| www.sofsys.co.kr | 21 |
| sofsys.co.kr | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected lit-element Jan 2026
- detected lit-html Jan 2026
- detected Channel.io Dec 2025
- detected React Dec 2025
- detected styled-components Dec 2025