What powers optimist.jp?
Last seen Jun 2026 · 33 technologies across 19 categories
Analytics
Google Analytics
since Nov 2025
CDN
Amazon CloudFront
since Jun 2026
Amazon S3
since Jun 2026
jQuery CDN
since Nov 2025
jsDelivr
since Nov 2025
CMS
WordPress
since Nov 2025
Databases
MySQL
since Nov 2025
Font scripts
Google Font API
since Nov 2025
Hosting
Xserver
since Nov 2025
JavaScript frameworks
React
since Jun 2026
JavaScript libraries
Maps
Google Maps
since Feb 2026
Miscellaneous
PaaS
Amazon Web Services
since Jun 2026
Performance
Partytown
since Nov 2025
Programming languages
PHP
since Nov 2025
Static site generator
Tag managers
Google Tag Manager
since Feb 2026
UI frameworks
Web servers
Nginx
since Nov 2025
Webmail
Microsoft 365
since Nov 2025
WordPress plugins
Audience
- 81% phone
- 19% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.64 / 10 · ranked #2,254,799 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.4 MB · 35 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| flexkey.optimist.jp | 14 |
| www.optimist.jp | 13 |
| www.flexkey-app.optimist.jp | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Mar 2026
- detected Facebook Pixel Feb 2026
- detected Google Maps Feb 2026
- detected Google Tag Manager Feb 2026