What powers r-ac.co.jp?
Last seen Jun 2026 · 31 technologies across 19 categories
A/B Testing
Karte
since Nov 2023
Advertising
Analytics
CDN
Cloudflare
since Nov 2021
CMS
WordPress
since Jul 2023
Databases
MySQL
since Jul 2023
Documentation
Zendesk
since Apr 2026
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Slick
since Jun 2019
Marketing automation
HubSpot
since Mar 2020
Miscellaneous
Open Graph
since Sep 2022
RSS
since Jul 2023
Performance
Priority Hints
since May 2024
Programming languages
PHP
since Jun 2022
Security
Cloudflare Bot Management
since Nov 2021
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Apple iCloud Mail
since Feb 2026
Google Workspace
since Dec 2025
Widgets
AddToAny
since Jul 2023
WordPress plugins
Yoast SEO
since Jul 2023
Audience
- 82% phone
- 18% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.38 / 10 · ranked #421,296 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.4 MB · 147 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Zendesk Apr 2026
- detected Apple iCloud Mail Feb 2026
- detected Google Workspace Dec 2025