What powers rankup.co.kr?
Last seen Oct 2026 · 24 technologies across 11 categories
Analytics
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Programming languages
Security
Video players
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.28 / 10 · ranked #2,912,937 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 8.3 MB · 188 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on LGDACOM LG DACOM Corporation (121.254.171.111)
- DNS: koreafree.co.kr
- Email: whoiskorea.co.kr
- Email security: SPF (soft fail), no DMARC record
- SSL: Sectigo, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 11,672,327, 158 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- detected Babel Oct 2026
- detected cdnjs Oct 2026
- detected Channel.io Oct 2026
- detected Cloudflare Oct 2026
- detected core-js Oct 2026
- detected Font Awesome Oct 2026
- detected Google Analytics Oct 2026
- detected Google Font API Oct 2026
- detected Google Hosted Libraries Oct 2026
- detected Kakao Oct 2026
- detected Naver Analytics Oct 2026
- detected Prototype Oct 2026
- detected React Oct 2026
- detected scrollreveal Oct 2026
- detected Slick Oct 2026
- detected styled-components Oct 2026
- detected Unpkg Oct 2026