What powers i-sook.com?
Last seen Jun 2026 · 24 technologies across 11 categories
Analytics
Google Analytics
since Aug 2018
Microsoft Clarity
since Feb 2024
CDN
cdnjs
since Nov 2021
Cloudflare
since Jul 2022
Google Hosted Libraries
since Jul 2023
jQuery CDN
since Feb 2022
jsDelivr
since Dec 2024
Unpkg
since Dec 2025
Cross border ecommerce
Ecommerce
Cart Functionality
since Aug 2020
Future Shop
since Oct 2020
Font scripts
Google Font API
since Oct 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RUM
New Relic
since Jun 2024
Security
HSTS
since Jul 2023
Tag managers
Google Tag Manager
since Aug 2018
Web servers
Nginx
since Jul 2023
Audience
- 88% phone
- 12% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.29 / 10 · ranked #8,723,694 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 125 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 13.3 MB · 238 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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