What powers seiwapro.com?
Last seen Oct 2026 · 2 technologies across 2 categories
Web servers
Apache HTTP Server
since Dec 2020
Widgets
SnapWidget
since May 2022
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
AI Crawlers
No AI crawlers blocked
Audience
- 56% phone
- 44% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.10 / 10 · ranked #11,055,949 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 6.4 MB · 66 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on AICS Otsuka Corp. (157.205.199.111)
- DNS: alpha-prm.jp
- Email: alpha-prm.jp
- Email security: SPF (soft fail), DMARC monitor only
- Common Crawl link graph: rank 18,699,086, 2 hosts
DNS records as swept Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| seiwapro.com | 2 |
| www.seiwapro.com | 2 |