What powers grandpiano.jp?
Last seen Jun 2026 · 24 technologies across 12 categories
Advertising
Google Ads
since Mar 2023
Analytics
Google Ads Conversion Tracking
since Mar 2023
Google Analytics
since Jan 2019
CDN
Font scripts
Google Font API
since Jun 2019
JavaScript libraries
Load balancers
Amazon ALB
since Jun 2022
PaaS
Amazon Web Services
since Jun 2022
Programming languages
PHP
since Jan 2019
Tag managers
Google Tag Manager
since Jun 2019
UI frameworks
Bootstrap
since Jun 2019
Video players
YouTube
since Jul 2020
Web servers
Apache HTTP Server
since Jun 2019
Audience
- 79% phone
- 21% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.14 / 10 · ranked #1,362,315 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.2 MB · 106 requests
Homepage as crawled by the HTTP Archive, Jul 2026.