What powers dounan.co.jp?
Last seen Jun 2026 · 12 technologies across 7 categories
Analytics
Google Analytics
since Apr 2019
CDN
Font scripts
Google Font API
since Apr 2024
JavaScript frameworks
Riot
since Apr 2026
JavaScript libraries
Miscellaneous
HTTP/3
since Dec 2025
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2025
Audience
- 78% phone
- 22% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.51 / 10 · ranked #886,827 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Riot Apr 2026
- detected Underscore.js Apr 2026
- dropped Apache HTTP Server Jan 2026
- detected Amazon CloudFront Dec 2025
- detected Amazon S3 Dec 2025
- detected HTTP/3 Dec 2025
- detected Amazon Web Services Aug 2025