What powers duel.co.jp?
Last seen Jun 2026 · 18 technologies across 12 categories
Analytics
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
CMS
Databases
MySQL
since Jan 2019
Font scripts
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Photo galleries
PhotoSwipe
since Aug 2023
Programming languages
Video players
YouTube
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Widgets
SnapWidget
since Feb 2022
Audience
- 70% phone
- 25% desktop
- 5% tablet
Japan
Malaysia
Indonesia
South Korea
Taiwan
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #360,625 of all domains
74 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 13.6 MB · 124 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| old.duel.co.jp | 17 |
| duel.co.jp | 8 |
| www.duel.co.jp | 8 |
| hardcore.duel.co.jp | 7 |