What powers 
sunmesse.co.jp?
Last seen Sep 2026 · 13 technologies across 9 categories
Analytics
Mouse Flow
since Sep 2023
CDN
cdnjs
since May 2023
Cloudflare
since May 2023
Font scripts
Google Font API
since Aug 2018
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Aug 2018
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Aug 2018
Web servers
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 59% desktop
- 41% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.98 / 10 · ranked #586,150 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0.15 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 5.0 MB · 64 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- サンメッセ (Sun Messe on Wikidata)
- Founded: 1946
- Country: Japan
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- DNS: mirai.ad.jp
- Email: airnet.ne.jp
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Cybertrust Japan, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 11,174,999, 3 hosts
- Verified with: Adobe, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted