What powers tokyo-bosai.com?
Last seen Sep 2026 · 18 technologies across 12 categories
Advertising
Google AdSense
since Sep 2024
Analytics
Google Analytics
since Sep 2024
Font scripts
Bootstrap Icons
since Sep 2024
Google Font API
since Sep 2024
Hosting
Sakura Internet
since Sep 2024
JavaScript graphics
JavaScript libraries
DataTables
since Sep 2024
jQuery
since Sep 2024
Performance
Priority Hints
since Sep 2026
Programming languages
Rich text editors
Security
UI frameworks
Bootstrap
since Sep 2024
Web servers
Nginx
since Sep 2024
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.10 / 10 · ranked #117,645,500 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 2.1 MB · 47 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (153.125.140.155)
- DNS: Sakura Internet
- Email: tokyo-bosai.com
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 113,682,945
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Priority Hints Sep 2026