What powers ar-system.co.jp?
Last seen Sep 2026 · 15 technologies across 13 categories
Analytics
CDN
Google Cloud CDN
since Aug 2026
Databases
Firebase
since Aug 2026
Mailgun
since Aug 2026
Font scripts
Google Font API
since Aug 2026
IaaS
Google Cloud
since Aug 2026
JavaScript frameworks
JavaScript libraries
Marketing automation
Salesforce Marketing Cloud Account Engagement
since Aug 2026
Miscellaneous
HTTP/3
since Aug 2026
Open Graph
since Aug 2026
Page builders
STUDIO
since Aug 2026
Programming languages
Node.js
since Aug 2026
Tag managers
Google Tag Manager
since Aug 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.74 / 10 · ranked #4,721,905 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 5.7 MB · 80 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.