What powers e-ushiku.jp?
Last seen Sep 2026 · 11 technologies across 8 categories
CDN
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Jan 2025
JavaScript libraries
Miscellaneous
Operating systems
CentOS
since Jan 2019
Programming languages
Video players
YouTube
since Nov 2022
Web server extensions
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.61 / 10 · ranked #2,311,987 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 250 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on IDCF IDC Frontier Inc. (210.140.108.101)
- DNS: tsukuba.ad.jp
- Email: e-ushiku.jp
- Email security: no SPF record, no DMARC record
- SSL: JPRS, RSA 2048, wildcard, expires Sep 2026
- Common Crawl link graph: rank 10,555,336, 56 hosts
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| nankai-pleat.e-ushiku.jp | 10 |
| someya.e-ushiku.jp | 10 |
| golf.e-ushiku.jp | 9 |
| matiere.e-ushiku.jp | 9 |
| ushiku-stamp.e-ushiku.jp | 9 |
| yamaichimiso.e-ushiku.jp | 9 |
| felistas.e-ushiku.jp | 7 |
| ooiya.e-ushiku.jp | 6 |
| dogrunfelistas.e-ushiku.jp | 4 |