What powers gakushukai.jp?
Last seen Sep 2026 · 41 technologies across 21 categories
Advertising
Analytics
Authentication
Blogs
CDN
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Performance
Programming languages
Security
Tag managers
Web servers
Webmail
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.85 / 10 · ranked #4,064,123 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| CLS | 0 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Google
- Weight: 1.2 MB · 97 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 学習会の教室紹介
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Xserver (183.90.253.24)
- Email: Google Workspace
- Email security: no SPF record, DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 14,570,489, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| class.gakushukai.jp | 26 |
| tutor.gakushukai.jp | 23 |
| blog.gakushukai.jp | 17 |
| chuko.gakushukai.jp | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Sep 2026
- dropped Google Font API Sep 2026
- detected Google Font API Jul 2026
- detected Twitter Emoji (Twemoji) Jan 2026