What powers karatz.jp?
Last seen Jun 2026 · 54 technologies across 24 categories
Advertising
Twitter Ads
since Jan 2025
Analytics
Google Analytics
since Dec 2020
Microsoft Clarity
since Jul 2021
CDN
Amazon S3
since May 2022
cdnjs
since May 2022
Cloudflare
since Sep 2021
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Nov 2023
jsDelivr
since Mar 2024
CMS
WordPress
since Dec 2020
Databases
MySQL
since Dec 2020
Ecommerce
Cart Functionality
since Sep 2021
Shopify
since Sep 2021
Font scripts
JavaScript frameworks
Handlebars
since Jan 2022
React
since Sep 2022
JavaScript libraries
Live chat
Channel.io
since Dec 2023
Marketing automation
Klaviyo
since Apr 2023
Miscellaneous
Azure Edge Network
since Jul 2023
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
RSS
since Dec 2022
PaaS
Amazon Web Services
since May 2022
Page builders
WordPress Block Editor
since Jul 2024
Payment processors
American Express
since Dec 2023
Apple Pay
since May 2022
Google Pay
since Dec 2023
Mastercard
since Dec 2023
PayPal
since Jul 2025
Shop Pay
since Feb 2022
Visa
since Dec 2023
Performance
LazySizes
since Feb 2022
Priority Hints
since Feb 2023
Programming languages
PHP
since Dec 2020
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Sep 2022
SEO
Shopify apps
Tag managers
Google Tag Manager
since Dec 2020
Web servers
Nginx
since Dec 2020
Widgets
Twitter
since Jan 2025
WordPress plugins
EWWW Image Optimizer
since Feb 2022
Audience
- 80% phone
- 18% desktop
- 2% tablet
Japan
Hong Kong SAR China
Vietnam
Taiwan
United States
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.03 / 10 · ranked #548,764 of all domains
49 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.3 MB · 50 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| store.karatz.jp | 40 |
| karatz.jp | 20 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Nov 2025