What powers 
sunm.co.jp?
Last seen Sep 2026 · 13 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
CMS
Contentful
since May 2024
JavaScript frameworks
JavaScript libraries
Swiper
since May 2024
Miscellaneous
Open Graph
since May 2024
Webpack
since May 2024
PaaS
Vercel
since May 2024
Performance
Priority Hints
since May 2024
Programming languages
Node.js
since May 2024
Security
HSTS
since May 2024
UI frameworks
Tailwind CSS
since May 2024
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. 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
- 69% desktop
- 31% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.65 / 10 · ranked #789,276 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 3.4 MB · 271 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: Onamae.com
- Email: kagoya.net
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,341,490, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sunm.co.jp | 13 |
| www.sunm.co.jp | 13 |