What powers three-sides.jp?
Last seen Aug 2026 · 20 technologies across 15 categories
Advertising
Analytics
CDN
Font scripts
JavaScript libraries
Load balancers
Marketing automation
Miscellaneous
Operating systems
PaaS
Programming languages
Security
Tag managers
Web frameworks
Web servers
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Aug 2026.
Search and AI assistants
- Amazonbot Blocked
The other 32 AI crawlers we track are not mentioned and are blocked by the catch-all rule (User-agent: *).
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.72 / 10 · ranked #4,832,108 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.3 s |
| CLS | 0 |
| TTFB | 3800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 7.6 MB · 140 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- dropped Google Ads Dec 2025
- dropped Google Ads Conversion Tracking Dec 2025