What powers 21kwc.com?
Last seen Aug 2026 · 6 technologies across 5 categories
CDN
Cloudflare
since Jul 2023
Operating systems
UNIX
since Sep 2020
Programming languages
Web server extensions
Web servers
AI Crawlers
robots.txt could not be read at the last check (Aug 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.28 / 10 · ranked #52,975,740 of all domains
1 referring domains · OpenPageRank
Search traffic
4 est. monthly organic visits (US)
8 keywords in Google's top 30
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Korean
- Weight: 5.4 MB · 34 requests
Homepage as crawled by the HTTP Archive, Aug 2026.