What powers promojapan.jp?
Last seen Sep 2026 · 13 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
Authentication
NextAuth.js
since Jul 2025
Amazon SES
since Aug 2022
Font scripts
Font Awesome
since Jan 2019
JavaScript frameworks
Miscellaneous
Webpack
since Jul 2025
PaaS
Amazon Web Services
since Feb 2019
Performance
Priority Hints
since Jul 2025
Programming languages
Node.js
since Jul 2025
UI frameworks
Tailwind CSS
since Jul 2025
Web servers
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
- 71% phone
- 29% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.18 / 10 · ranked #3,148,863 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.9 MB · 61 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (52.195.53.43)
- DNS: Amazon Route 53
- Email: no MX record returned
- SSL: Amazon Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 10,344,207
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 Amazon SES Jul 2026
- detected Amazon Web Services Jul 2026
- detected Font Awesome Jul 2026
- detected Google Analytics Jul 2026
- detected NextAuth.js Jul 2026
- detected Next.js Jul 2026
- detected Next.js App Router Jul 2026
- detected Nginx Jul 2026
- detected Node.js Jul 2026
- detected Priority Hints Jul 2026
- detected React Jul 2026
- detected Tailwind CSS Jul 2026
- detected Webpack Jul 2026