What powers es-primary.co.jp?
Last seen Jun 2026 · 21 technologies across 13 categories
Advertising
Analytics
Google Ads Conversion Tracking
since Aug 2021
Google Analytics
since Feb 2019
Microsoft Clarity
since Sep 2024
CDN
jQuery CDN
since May 2024
CMS
Databases
MySQL
since May 2024
Font scripts
Google Font API
since May 2024
Twitter Emoji (Twemoji)
since Dec 2025
Hosting
Xserver
since May 2024
JavaScript libraries
Performance
Priority Hints
since May 2024
Programming languages
PHP
since Feb 2019
Tag managers
Google Tag Manager
since Feb 2019
Video players
YouTube
since Jan 2022
Web servers
Nginx
since May 2024
Audience
- 63% phone
- 37% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.53 / 10 · ranked #2,448,635 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.1 MB · 158 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected YouTube Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025