What powers kids-21.co.jp?
Last seen Jun 2026 · 25 technologies across 14 categories
A/B Testing
Google Optimize
since Jul 2021
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jan 2019
Microsoft Clarity
since Jun 2023
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jan 2026
Unpkg
since Jul 2021
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since May 2024
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Bootstrap
since Feb 2021
Web server extensions
Web servers
Apache HTTP Server
since Feb 2021
Widgets
Facebook
since Jan 2019
Audience
- 56% desktop
- 44% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.68 / 10 · ranked #774,379 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 12.1 MB · 179 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| kids-21.co.jp | 16 |
| www.kids-21.co.jp | 16 |
| www.kakehashi.kids-21.co.jp | 8 |
Full technology history →
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