What powers 
ktr.or.kr?
Last seen Oct 2026 · 44 technologies across 20 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
LMS
Miscellaneous
Operating systems
Programming languages
Tag managers
UI frameworks
Video players
Web frameworks
Web server extensions
Web servers
Widgets
WordPress plugins
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 checked
- ai.txt not checked
- Nov 2026 *: Restricted (was Blocked)
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
4.71 / 10 · ranked #303,645 of all domains
87 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Korean
- Weight: 2.9 MB · 90 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Korea Testing & Research Institute
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Registered Oct 2005 (21 years), renews Oct 2034
- Hosted on Korea Telecom (210.97.19.20)
- DNS: ktr.or.kr
- Email: ktr.or.kr
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 2,683,025, 10 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| rubber.ktr.or.kr | 19 |
| finechemical.ktr.or.kr | 16 |
| hrd.ktr.or.kr | 13 |
| m.ktr.or.kr | 12 |
| edu.ktr.or.kr | 11 |
| www.ktr.or.kr | 10 |
| reach.ktr.or.kr | 6 |
| ep.ktr.or.kr | 4 |
| eis.ktr.or.kr | 3 |
| erp.ktr.or.kr | 3 |
| mail.ktr.or.kr | 2 |
Full technology history →
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