What powers onsori.or.kr?
Last seen Sep 2026 · 8 technologies across 6 categories
Ecommerce
Cart Functionality
since Sep 2022
JavaScript libraries
Clipboard.js
since Mar 2025
Miscellaneous
Kakao
since Mar 2025
Open Graph
since Mar 2025
Operating systems
Windows Server
since Mar 2025
Programming languages
Java
since Sep 2022
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.51 / 10 · ranked #2,467,924 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 1.3 MB · 32 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Korea Telecom (222.122.201.43)
- Email: onsori.or.kr
- Email security: no SPF record, no DMARC record
- SSL: GlobalSign, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 13,353,774, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache Tomcat Sep 2026
- dropped Google Analytics Sep 2026
- dropped jQuery UI Sep 2026