What powers r-ac.jp?
Last seen Jun 2026 · 28 technologies across 16 categories
Advertising
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Aug 2018
Microsoft Clarity
since Jul 2024
TikTok Pixel
since Jul 2021
CDN
Amazon SES
since Aug 2022
JavaScript libraries
Marketing automation
Salesforce Marketing Cloud Account Engagement
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
Mobile frameworks
PaaS
Amazon Web Services
since Jan 2019
Performance
Priority Hints
since Mar 2026
Programming languages
PHP
since Aug 2018
Security
Cloudflare Bot Management
since May 2026
HSTS
since Nov 2024
Tag managers
Google Tag Manager
since Aug 2021
UI frameworks
Bootstrap
since Aug 2018
Web servers
Apache HTTP Server
since Aug 2018
Webmail
Google Workspace
since Aug 2022
Audience
- 55% phone
- 38% desktop
- 8% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.75 / 10 · ranked #279,926 of all domains
97 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Akamai
- Weight: 5.3 MB · 155 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.r-ac.jp | 25 |
| r.r-ac.jp | 9 |
| school2.r-ac.jp | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon S3 Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Mar 2026
- detected jsDelivr Jan 2026
- detected Swiper Jan 2026
- detected Twitter Ads Jan 2026