What powers plan-c.jp?
Last seen Jun 2026 · 25 technologies across 14 categories
Analytics
Google Analytics
since Nov 2021
CDN
Ecommerce
Cart Functionality
since Nov 2021
Shopify
since Nov 2021
Font scripts
Google Font API
since Jun 2024
Hosting
Xserver
since Apr 2026
JavaScript frameworks
Backbone.js
since Nov 2023
JavaScript libraries
Marketing automation
Klaviyo
since Aug 2023
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Payment processors
Performance
Priority Hints
since Feb 2023
Security
HSTS
since Sep 2022
Shopify apps
GemPages
since Sep 2023
Tag managers
Google Tag Manager
since Nov 2021
Audience
- 80% phone
- 20% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.84 / 10 · ranked #1,903,559 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 2.5 MB · 228 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Backbone.js Apr 2026
- detected Cart Functionality Apr 2026
- detected cdnjs Apr 2026
- detected GemPages Apr 2026
- detected Google Analytics Apr 2026
- detected Google Font API Apr 2026
- detected Google Tag Manager Apr 2026
- dropped Handlebars Apr 2026
- detected LazySizes Apr 2026
- detected Underscore.js Apr 2026
- detected Unpkg Apr 2026
- detected Uploadcare Apr 2026
- detected Xserver Apr 2026
- dropped Backbone.js Mar 2026
- dropped Cart Functionality Mar 2026
- dropped cdnjs Mar 2026
- dropped Cloudflare Bot Management Mar 2026
- dropped Facebook Pixel Mar 2026
- dropped FastComet Mar 2026
- dropped GemPages Mar 2026
- dropped Google Ads Mar 2026
- dropped Google Ads Conversion Tracking Mar 2026
- dropped Google Analytics Mar 2026
- dropped Google Font API Mar 2026
- dropped Google Tag Manager Mar 2026
- dropped LazySizes Mar 2026
- dropped Preact Mar 2026
- dropped React Mar 2026
- dropped Tailwind CSS Mar 2026
- dropped Underscore.js Mar 2026
- dropped Unpkg Mar 2026
- dropped Uploadcare Mar 2026
- dropped Vimeo Mar 2026
- dropped Yahoo Advertising Mar 2026
- dropped Microsoft Clarity Jan 2026
- detected Cloudflare Bot Management Oct 2025
- detected Vimeo Oct 2025