What powers tdrc.kr?
Last seen Sep 2026 · 9 technologies across 6 categories
Analytics
Naver Analytics
since Aug 2022
JavaScript libraries
Miscellaneous
SWFObject
since Aug 2022
Programming languages
Java
since Aug 2022
Security
HSTS
since Sep 2022
Webmail
Google Workspace
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 69% desktop
- 31% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.44 / 10 · ranked #953,984 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 7.3 MB · 101 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: uhost.co.kr
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Sectigo, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 198,357, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted