What powers nihongojouzu.jp?
Last seen Oct 2026 · 19 technologies across 10 categories
Analytics
CDN
JavaScript frameworks
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
Widgets
AI Crawlers
Blocks 15 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-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
- Claude-SearchBot Allowed
- DuckAssistBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
- YouBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- meta-externalfetcher Allowed
- MistralAI-User Allowed
- Perplexity-User Allowed
The other 8 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
15 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.2 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.0 MB · 292 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- nihongojouzu.jp
- Industry: Software and apps (declares
SoftwareApplication) - Profiles: Instagram, TikTok, YouTube, X
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.30.138, IPv6)
- DNS: Cloudflare DNS
- Email: Cloudflare Email Routing
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Verified with: Google, TikTok
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection