What powers jkvalve.co.kr?
Last seen Oct 2026 · 12 technologies across 8 categories
CDN
jsDelivr
since Apr 2023
CMS
XpressEngine
since Nov 2024
Font scripts
Google Font API
since Apr 2023
JavaScript libraries
crypto-js
since Apr 2023
jQuery Migrate
since Apr 2023
Miscellaneous
Open Graph
since Apr 2023
RSS
since Apr 2023
Programming languages
PHP
since Feb 2023
UI frameworks
Animate.css
since Apr 2023
Web servers
Nginx
since Apr 2023
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
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.39 / 10 · ranked #39,060,879 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0.05 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 1.9 MB · 71 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Korea Telecom (203.245.24.28)
- DNS: usn.co.kr
- Email: jkvalve.co.kr
- Email security: SPF (soft fail), no DMARC record
- Common Crawl link graph: rank 116,726,077, 2 hosts
DNS records as swept Oct 2026. How the web is hosted