What powers kumabook.com?
Last seen Jun 2026 · 20 technologies across 14 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since Mar 2025
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Nginx
since Jan 2019
Widgets
Twitter
since Jan 2019
WordPress plugins
MetaSlider
since Feb 2022
Smash Balloon Instagram Feed
since Feb 2022
Audience
- 89% phone
- 10% desktop
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.79 / 10 · ranked #267,217 of all domains
187 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 9.2 MB · 117 requests
- WordPress theme: kumabooks · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Dec 2025
- dropped Cloudflare Bot Management Dec 2025