What powers zero-kenpo.or.jp?
Last seen Oct 2026 · 9 technologies across 9 categories
Analytics
Google Analytics
since Sep 2026
CDN
Google Cloud CDN
since Sep 2026
CMS
microCMS
since Sep 2026
IaaS
Google Cloud
since Sep 2026
Issue trackers
Sentry
since Sep 2026
JavaScript frameworks
Miscellaneous
HTTP/3
since Sep 2026
Performance
Priority Hints
since Sep 2026
UI frameworks
Tailwind CSS
since Sep 2026
AI Crawlers
Blocks 27 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
- PanguBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- Claude-SearchBot Blocked
- DuckAssistBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- Claude-User Blocked
- MistralAI-User Blocked
- Perplexity-User Blocked
The other 6 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
27 of 33 AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 0.5 MB · 16 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google Cloud (34.117.21.190, IPv6)
- DNS: Google Cloud DNS
- Email: no MX record returned
- SSL: Google Trust Services, RSA 2048, wildcard, expires Jan 2027
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted