What powers sfida.or.jp?
Last seen Aug 2026 · 7 technologies across 7 categories
CDN
Google Hosted Libraries
since Feb 2022
JavaScript Frameworks
Operating Systems
UNIX
since Feb 2017
Programming languages
Video players
YouTube
since Jan 2021
Web Servers
Widgets
SnapWidget
since Feb 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 81% phone
- 19% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.53 / 10 · ranked #397,239 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 15.0 MB · 116 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sfida Setagaya FC
- Founded: 2001
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on OPTAGE OPTAGE Inc. (58.191.153.39)
- DNS: kk-ca.net
- Email: sfida.or.jp
- Email security: SPF (soft fail), no DMARC record
- Common Crawl link graph: rank 167,058, 2 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sfida.or.jp | 7 |
| www.sfida.or.jp | 7 |