What powers 
scsf.jp?
Last seen Sep 2026 · 9 technologies across 7 categories
Analytics
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Jan 2019
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
- 66% phone
- 34% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #354,900 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese (Japan)
- Weight: 2.3 MB · 48 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sado International Triathlon
- Country: Japan
From Wikidata (CC0).
Infrastructure
- DNS: scsf.jp
- Email: scsf.jp
- Email security: SPF (hard fail), DMARC monitor only
- Common Crawl link graph: rank 159,963
- Verified with: GlobalSign
DNS records as swept Oct 2026. How the web is hosted