What powers seishinsha.co.jp?
Last seen Aug 2026 · 9 technologies across 8 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Cloud CDN
since Aug 2024
Hosting
Sakura Internet
since Aug 2026
IaaS
Google Cloud
since Aug 2024
Miscellaneous
Tag managers
Google Tag Manager
since Jun 2024
UI frameworks
Bootstrap
since Jun 2024
Webmail
Google Workspace
since Nov 2022
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% phone
- 45% desktop
- 2% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.51 / 10 · ranked #884,857 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 8.9 MB · 37 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- detected Sakura Internet Aug 2026