What powers k-kosho.jp?
Last seen Aug 2026 · 3 technologies across 3 categories
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 79% desktop
- 21% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.81 / 10 · ranked #709,506 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.1 MB · 28 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PSPINC-BDC (216.230.253.88)
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Cybertrust Japan, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 7,887,095, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted