What powers 
tbff.jp?
Last seen Sep 2026 · 9 technologies across 8 categories
Analytics
CMS
Databases
Hosting
JavaScript libraries
Miscellaneous
Programming languages
Web servers
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
The other 24 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 claude-user added to robots.txt
- Sep 2026 applebot-extended added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
- Sep 2026 claudebot added to robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 50% desktop
- 50% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.59 / 10 · ranked #822,273 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.9 MB · 14 requests
- WordPress theme: tbff-theme · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Xserver (103.141.96.143)
- DNS: Xserver
- Email: tbff.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,226,333, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted