What powers otsuma.jp?
Last seen Jun 2026 · 12 technologies across 11 categories
Analytics
CDN
Google Hosted Libraries
since Feb 2022
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
JavaScript libraries
Load balancers
Amazon ALB
since Apr 2024
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Apr 2024
Programming languages
PHP
since Jan 2019
Security
HSTS
since Dec 2025
Web servers
Nginx
since Jan 2019
Audience
- 72% desktop
- 28% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.63 / 10 · ranked #798,723 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.9 MB · 71 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.otsuma.jp | 11 |
| cert-conveni.otsuma.jp | 3 |