What powers jkn.co.jp?
Last seen Aug 2026 · 5 technologies across 5 categories
Analytics
Google Analytics
since Mar 2021
Hosting panels
Plesk
since Mar 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Web servers
Nginx
since Mar 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.07 / 10 · ranked #1,469,779 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.9 MB · 47 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ATWORKS A.T.WORKS, Inc. (182.16.229.135)
- DNS: atw.jp
- Email: jkn.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 9,168,599, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted