What powers open-group.co.jp?
Last seen Jun 2026 · 17 technologies across 14 categories
Analytics
Google Analytics
since Jul 2024
CDN
jQuery CDN
since Jul 2024
CMS
WordPress
since Jul 2024
Databases
MySQL
since Jul 2024
Font scripts
Google Font API
since Jul 2024
Twitter Emoji (Twemoji)
since Jul 2024
JavaScript libraries
Miscellaneous
Open Graph
since Jul 2024
PaaS
Amazon Web Services
since Jul 2024
Programming languages
PHP
since Jul 2024
Security
HSTS
since Jul 2025
SEO
Tag managers
Google Tag Manager
since Jul 2024
UI frameworks
Bootstrap
since Jul 2024
Web servers
Nginx
since Jul 2024
Audience
- 88% desktop
- 12% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.00 / 10 · ranked #567,031 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.1 MB · 86 requests
- WordPress theme: rpahd · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Jun 2026
- detected jQuery Migrate Oct 2025
- dropped Twitter Emoji (Twemoji) Aug 2025