What powers seiunsou.com?
Last seen Sep 2026 · 6 technologies across 6 categories
Editors
DreamWeaver
since Sep 2020
Hosting
Sakura Internet
since Aug 2022
Load balancers
Amazon ALB
since Sep 2021
PaaS
Amazon Web Services
since Sep 2021
Programming languages
Adobe Flash
since Sep 2021
Web servers
Nginx
since Sep 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.19 / 10 · ranked #9,984,007 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.2 MB · 44 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.163.64)
- DNS: Sakura Internet
- Email: seiunsou.com
- Email security: no SPF record, no DMARC record
- Common Crawl link graph: rank 13,448,178, 2 hosts
DNS records as swept Aug 2026. How the web is hosted