What powers gakujutsushukai.jp?
Last seen Jun 2026 · 15 technologies across 13 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Caching
RackCache
since Jul 2019
CDN
cdnjs
since Jul 2022
Cloudflare
since Jul 2022
Font scripts
Google Font API
since Oct 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Ubuntu
since Jul 2019
Programming languages
Ruby
since Jul 2019
Security
Cloudflare Bot Management
since Mar 2025
UI frameworks
Web servers
Widgets
Twitter
since Jul 2019
Audience
- 60% desktop
- 40% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.70 / 10 · ranked #764,531 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.1 MB · 66 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Nov 2025