What powers studytube.info?
Last seen Jun 2026 · 19 technologies across 11 categories
Advertising
Analytics
Google Analytics
since Jan 2019
CDN
cdnjs
since May 2022
Cloudflare
since May 2022
Font scripts
Google Font API
since Nov 2025
JavaScript libraries
Miscellaneous
PaaS
Render
since Feb 2026
Programming languages
Ruby
since Jan 2019
Security
Web frameworks
Ruby on Rails
since Jan 2019
Widgets
Twitter
since Jan 2019
Audience
- 59% phone
- 41% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.36 / 10 · ranked #43,101,493 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 2.0 MB · 108 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Jun 2026
- detected Cloudflare Bot Management May 2026
- dropped Google Font API Mar 2026
- detected HTTP/3 Feb 2026
- detected Render Feb 2026
- dropped Cloudflare Bot Management Nov 2025
- detected Google Font API Nov 2025
- dropped Cowboy Aug 2025
- dropped Erlang Aug 2025
- dropped Google Tag Manager Aug 2025
- dropped Heroku Aug 2025