What powers doppelganger.jp?
Last seen Jun 2026 · 26 technologies across 16 categories
Advertising
Twitter Ads
since Jun 2021
Analytics
Google Analytics
since Jun 2018
Authentication
Facebook Login
since Jun 2021
CDN
CMS
WordPress
since Aug 2018
Databases
MySQL
since Aug 2018
Font scripts
Font Awesome
since Apr 2018
Google Font API
since Apr 2018
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
Security
Cloudflare Bot Management
since Mar 2025
UI frameworks
Bootstrap
since Apr 2018
Web servers
Widgets
Twitter
since Jun 2018
WordPress plugins
Jetpack
since Feb 2022
TablePress
since Feb 2022
Audience
- 63% phone
- 35% desktop
- 3% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #366,501 of all domains
79 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.4 MB · 64 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| blog.doppelganger.jp | 23 |
| www.doppelganger.jp | 13 |