What powers rf-yamakawa.co.jp?
Last seen Jun 2026 · 19 technologies across 16 categories
Advertising
Tapad
since Aug 2022
Analytics
Google Analytics
since Aug 2018
CMS
Databases
MySQL
since Aug 2018
JavaScript libraries
Miscellaneous
Open Graph
since Jul 2024
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Jan 2026
Programming languages
Tag managers
Google Tag Manager
since May 2022
UI frameworks
Web server extensions
Web servers
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
WordPress themes
Audience
- 79% desktop
- 21% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.54 / 10 · ranked #854,881 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.7 MB · 121 requests
- WordPress theme: lightning (child: lightning-child) · all themes
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Redis May 2026
- dropped Redis Object Cache May 2026
- dropped Cart Functionality Feb 2026
- detected Priority Hints Jan 2026
- detected Redis Oct 2025
- detected Redis Object Cache Oct 2025