What powers chub.co.jp?
Last seen Jun 2026 · 21 technologies across 13 categories
Analytics
Google Analytics
since Mar 2020
CMS
WordPress
since Feb 2026
Databases
MySQL
since Feb 2026
JavaScript libraries
Marketing automation
BowNow
since Feb 2022
Miscellaneous
Open Graph
since Feb 2026
Performance
Priority Hints
since Feb 2026
Programming languages
PHP
since Feb 2026
Security
reCAPTCHA
since Feb 2026
Tag managers
Google Tag Manager
since Mar 2020
Web servers
Nginx
since Feb 2026
Webmail
Google Workspace
since Aug 2022
WordPress plugins
WP-PageNavi
since Feb 2026
Audience
- 79% desktop
- 21% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.55 / 10 · ranked #6,078,477 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.5 MB · 99 requests
- 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
- dropped Amazon CloudFront Mar 2026
- dropped Amazon Web Services Mar 2026
- dropped Apache HTTP Server Mar 2026
- dropped HSTS Mar 2026
- dropped jQuery UI Mar 2026
- dropped Umami Mar 2026
- detected All in One SEO Feb 2026
- detected Contact Form 7 Feb 2026
- detected core-js Feb 2026
- detected jQuery Migrate Feb 2026
- detected MySQL Feb 2026
- detected Nginx Feb 2026
- detected Open Graph Feb 2026
- detected PHP Feb 2026
- detected Priority Hints Feb 2026
- detected reCAPTCHA Feb 2026
- detected Splide Feb 2026
- detected WordPress Feb 2026
- detected WP-PageNavi Feb 2026
- dropped Moment.js Aug 2025
- detected Umami Aug 2025