What powers 
upa.or.kr?
Last seen Oct 2026 · 10 technologies across 6 categories
Analytics
CDN
JavaScript libraries
Miscellaneous
Programming languages
Security
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 78% desktop
- 23% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.73 / 10 · ranked #747,484 of all domains
51 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Korean
- Weight: 29.0 MB · 108 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Ulsan Port Authority
- Founded: 2007
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Hosted on Korea Telecom (14.63.177.96)
- Email: govkorea.kr
- Email security: SPF (hard fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 11,629,224, 3 hosts
- Verified with: GlobalSign, Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| upa.or.kr | 10 |
| www.upa.or.kr | 10 |
Full technology history →
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Recent changes
- detected Open Graph Sep 2026