What powers redbarrow.jp?
Last seen Sep 2026 · 10 technologies across 6 categories
CDN
jQuery CDN
since Apr 2022
Ecommerce
Cart Functionality
since Sep 2021
ColorMeShop
since Apr 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Security
HSTS
since Sep 2022
Web servers
Nginx
since Apr 2020
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
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.22 / 10 · ranked #9,684,922 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 11.8 MB · 259 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GMO Internet (133.130.35.90)
- DNS: Muumuu Domain
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: GlobalSign, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 19,925,525, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted