What powers tsfh.jp?
Last seen Oct 2026 · 11 technologies across 11 categories
Analytics
JavaScript frameworks
JavaScript graphics
JavaScript libraries
PaaS
Programming languages
UI frameworks
Web frameworks
Web server extensions
Web servers
Webmail
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- GPTBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 31 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
2 of 33 AI crawlers blocked
Audience
- 87% phone
- 13% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.64 / 10 · ranked #2,264,541 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 3.0 MB · 88 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (54.150.222.204)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 1,441,557, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| tsfh.jp | 11 |
| www.tsfh.jp | 11 |