What powers jstaf.jp?
Last seen Sep 2026 · 8 technologies across 6 categories
Analytics
Font scripts
Hosting
IaaS
Miscellaneous
Performance
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.19 / 10 · ranked #1,284,625 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 3.7 MB · 36 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Japan Sepaktakraw Federation
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Google Cloud (34.111.141.225)
- DNS: Xserver
- Email: Xserver
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 10,472,609, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Hosted Libraries Sep 2026
- dropped jQuery Sep 2026
- dropped Nginx Sep 2026
- detected Google Cloud Aug 2026
- detected Google Cloud Trace Aug 2026
- detected HTTP/3 Aug 2026
- detected Priority Hints Aug 2026