What powers vg-lesson.jp?
Last seen Jun 2026 · 10 technologies across 9 categories
Advertising
Google Publisher Tag
since Feb 2021
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Aug 2023
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Google Workspace
since Aug 2022
Audience
- 73% phone
- 27% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.58 / 10 · ranked #5,859,541 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.8 MB · 166 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Slick Aug 2025