What powers p4re.jp?
Last seen Aug 2026 · 11 technologies across 10 categories
Analytics
Google Analytics
since Apr 2025
CDN
Amazon CloudFront
since Jul 2025
Font scripts
Google Font API
since Jul 2025
JavaScript frameworks
GSAP
since Jun 2026
JavaScript libraries
Miscellaneous
Open Graph
since Jul 2025
PaaS
Amazon Web Services
since Jul 2025
Performance
Priority Hints
since Jun 2026
Security
HSTS
since Feb 2026
Tag managers
Google Tag Manager
since Jul 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 69% phone
- 29% desktop
- 1% tablet
Japan
United States
United Kingdom
Indonesia
South Korea
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.21 / 10 · ranked #1,254,310 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 21.5 MB · 156 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection