What powers 
sigma7.co.jp?
Last seen Sep 2026 · 11 technologies across 8 categories
Databases
Firebase
since Sep 2022
Development
Font scripts
Font Awesome
since Jun 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
Security
HSTS
since Sep 2022
Webmail
Microsoft 365
since Aug 2022
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
- 72% phone
- 27% desktop
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #367,906 of all domains
92 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Fastly
- Weight: 7.0 MB · 63 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sigma Seven
- Founded: 1988
- Sector: tertiary sector of the economy
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Fastly (151.101.1.195)
- DNS: Onamae.com
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 719,096, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sigma7.co.jp | 11 |
| www.sigma7.co.jp | 3 |