What powers 
sjm-network.jp?
Last seen Sep 2026 · 10 technologies across 10 categories
Analytics
Caching
CMS
Databases
Hosting
Miscellaneous
Programming languages
Tag managers
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 75% phone
- 25% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.91 / 10 · ranked #644,310 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 100.1 MB · 227 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (49.212.68.226)
- DNS: Sakura Internet
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 9,827,898
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected WordPress Super Cache Jul 2026