What powers mantensama.jp?
Last seen Sep 2026 · 1 technologies across 1 categories
Web servers
Apache HTTP Server
since Aug 2018
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
- 85% phone
- 15% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.75 / 10 · ranked #275,864 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.1 MB · 3 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on DNP Dai Nippon Printing Co., Ltd (157.101.251.159)
- DNS: d-53.info
- Email: no MX record returned
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 13,023,938
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted