What powers a-course.co.jp?
Last seen Jun 2026 · 9 technologies across 7 categories
Analytics
Google Analytics
since Oct 2021
Authentication
Facebook Login
since Oct 2021
Hosting
Xserver
since Jun 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Video players
YouTube
since Oct 2021
Web servers
Nginx
since Jun 2024
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.84 / 10 · ranked #4,136,403 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 4.7 MB · 94 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.