What powers whisper.jp?
Last seen Jun 2026 · 27 technologies across 17 categories
A/B Testing
Monetate
since Sep 2024
Analytics
Crazy Egg
since Feb 2020
Google Analytics
since Feb 2020
Google Analytics Enhanced eCommerce
since Feb 2020
CMS
Contentful
since Feb 2020
Customer data platform
Segment
since Mar 2020
Font scripts
Google Font API
since Feb 2020
JavaScript frameworks
JavaScript libraries
Load balancers
Azure Front Door
since Jan 2023
Miscellaneous
PaaS
Azure
since Feb 2022
Performance
Priority Hints
since Sep 2025
Programming languages
Node.js
since Feb 2020
Security
Tag managers
Google Tag Manager
since Feb 2020
UI frameworks
Bootstrap
since May 2020
Video players
YouTube
since Jul 2020
Widgets
Facebook
since Mar 2020
Audience
- 92% phone
- 8% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.40 / 10 · ranked #2,681,259 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| INP | 225 ms |
| CLS | 0.7 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese (Japan)
- CDN: Microsoft Azure
- Weight: 31.4 MB · 149 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.whisper.jp | 25 |
| productdiagnosis.whisper.jp | 14 |
| registration.whisper.jp | 12 |
Full technology history →
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Recent changes
- dropped Lytics Dec 2025
- detected Priority Hints Sep 2025