What powers tsuzumi.biz?
Last seen Sep 2026 · 10 technologies across 8 categories
Analytics
CDN
Google Hosted Libraries
since Dec 2022
Ecommerce
Cart Functionality
since Dec 2022
EC-CUBE
since Dec 2022
Hosting
Sakura Internet
since Dec 2022
JavaScript libraries
Programming languages
UI frameworks
Bootstrap
since Dec 2022
Web servers
Nginx
since Dec 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.39 / 10 · ranked #37,752,296 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 4.6 MB · 45 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.128.187)
- DNS: Sakura Internet
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,150,121
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted