What powers brtnet.jp?
Last seen Aug 2026 · 14 technologies across 10 categories
Analytics
CMS
Databases
Font scripts
Hosting panels
JavaScript libraries
Miscellaneous
Programming languages
Security
Web servers
AI Crawlers
Blocks 5 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- ClaudeBot Blocked
- FacebookBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 28 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
5 of 33 AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.94 / 10 · ranked #1,702,900 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.3 MB · 55 requests
- WordPress theme: massive_tcd084 (child: massive_tcd084_child) · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (153.127.30.211)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 12,058,676, 7 hosts
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 core-js Dec 2025
- detected Google Analytics Dec 2025
- detected Google Font API Dec 2025
- detected HSTS Dec 2025
- detected jQuery Dec 2025
- detected jQuery Migrate Dec 2025
- detected Slick Dec 2025