What powers duks.co.jp?
Last seen Aug 2026 · 11 technologies across 9 categories
Analytics
Google Analytics
since Sep 2022
CDN
Google Hosted Libraries
since Sep 2022
CMS
Databases
MySQL
since Sep 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Sep 2022
Programming languages
PHP
since Sep 2022
SEO
Web servers
Apache HTTP Server
since Sep 2022
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 found
- ai.txt not found
AI Crawlers
Policy unknown
Audience
- 91% phone
- 9% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.84 / 10 · ranked #123,375 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.0 MB · 41 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- DUKS ダックス株式会社
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on KIR KAGOYA JAPAN Inc. (133.18.91.214)
- DNS: Onamae.com
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 29,601,553
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted