What powers kouryodb.net?
Last seen Jun 2026 · 14 technologies across 12 categories
Affiliate programs
Amazon Associates
since Jan 2026
Analytics
CDN
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Performance
Turbolinks
since Aug 2022
Programming languages
Ruby
since Aug 2022
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Ruby on Rails
since Aug 2022
Web servers
Audience
- 78% phone
- 22% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.35 / 10 · ranked #44,641,037 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Amazon CloudFront
- Weight: 0.4 MB · 29 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected HSTS Jun 2026
- detected Nginx Jun 2026
- detected Ruby Jun 2026
- detected Ruby on Rails Jun 2026
- detected Turbolinks Jun 2026
- dropped HSTS May 2026
- dropped Nginx May 2026
- dropped Ruby May 2026
- dropped Ruby on Rails May 2026
- dropped Turbolinks May 2026
- detected Amazon S3 Apr 2026
- detected jQuery CDN Apr 2026
- detected Amazon Associates Jan 2026
- dropped Adobe Audience Manager Dec 2025
- detected Adobe Audience Manager Oct 2025