What powers sipstool.com?
Last seen Aug 2026 · 3 technologies across 3 categories
Analytics
Google Analytics
since Jan 2019
Programming languages
Adobe Flash
since Jul 2021
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.70 / 10 · ranked #4,937,047 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.2 MB · 54 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IIJ Internet Initiative Japan Inc. (210.148.117.173)
- DNS: i-kyushu.or.jp
- Email: sipstool.com
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 15,395,528, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted