What powers 401k.co.jp?
Last seen Jun 2026 · 4 technologies across 4 categories
Analytics
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Web servers
Nginx
since Feb 2020
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.23 / 10 · ranked #9,504,671 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.6 MB · 32 requests
Homepage as crawled by the HTTP Archive, Jul 2026.