What powers 
sunwood.co.jp?
Last seen Sep 2026 · 21 technologies across 12 categories
Analytics
CDN
Font scripts
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Security
Tag managers
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 53% phone
- 47% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.63 / 10 · ranked #801,323 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 9.5 MB · 63 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sunwood Corporation
- Founded: 1997
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on IROB irob Ltd. (183.182.38.55)
- DNS: cpi.ad.jp
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: GlobalSign, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 3,086,100, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sunwood.co.jp | 17 |
| owners.sunwood.co.jp | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Apple iCloud Mail Jun 2026
- detected Mailgun Jun 2026
- dropped Apple iCloud Mail Apr 2026
- detected HSTS Apr 2026
- dropped Mailgun Apr 2026