What powers online-learning.jp?
Last seen Aug 2026 · 22 technologies across 10 categories
CDN
cdnjs
since Mar 2026
Cloudflare
since Mar 2026
Databases
Font scripts
Font Awesome
since Mar 2026
Google Font API
since Jul 2026
JavaScript libraries
Miscellaneous
Open Graph
since Mar 2026
PWA
since Jul 2026
Security
reCAPTCHA
since Mar 2026
UI frameworks
Bootstrap
since Mar 2026
Video players
Web servers
Nginx
since Mar 2026
Webmail
Google Workspace
since Mar 2026
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 74% desktop
- 26% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.22 / 10 · ranked #9,691,525 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 17.1 MB · 165 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| scpjapan.online-learning.jp | 22 |
| ai-skill.online-learning.jp | 19 |