What powers ygk.ed.jp?
Last seen Aug 2026 · 16 technologies across 8 categories
Blogs
Blogger
since Sep 2021
CDN
JavaScript libraries
Miscellaneous
Operating systems
Windows Server
since Jan 2019
Programming languages
Web servers
Webmail
Microsoft 365
since Aug 2022
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 95% phone
- 5% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.99 / 10 · ranked #1,610,696 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 11.7 MB · 81 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: sinet.ad.jp
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- Common Crawl link graph: rank 8,935,239, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ygk.ed.jp | 9 |
| blog.ygk.ed.jp | 8 |