What powers bun.jp?
Last seen Jun 2026 · 29 technologies across 19 categories
Advertising
Twitter Ads
since Dec 2021
Analytics
Matomo Analytics
since Apr 2026
TikTok Pixel
since Dec 2021
Blogs
WordPress
since May 2021
CDN
Databases
MySQL
since May 2021
Ecommerce
Base
since Dec 2021
Cart Functionality
since Dec 2021
Font scripts
Google Font API
since May 2021
Hosting panels
Plesk
since May 2021
JavaScript libraries
Marketing automation
Mautic
since Jan 2024
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since May 2022
Performance
Priority Hints
since Mar 2026
Programming languages
RUM
New Relic
since Dec 2021
Security
Cloudflare Bot Management
since Dec 2021
Tag managers
Matomo Tag Manager
since Apr 2026
Web servers
Nginx
since May 2021
Widgets
Twitter
since Dec 2021
Audience
- 83% phone
- 17% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.42 / 10 · ranked #985,025 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 5.6 MB · 120 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| b-books.bun.jp | 19 |
| b-bookshoten.bun.jp | 8 |
| chiba.e-book.bun.jp | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Mautic Jun 2026
- detected Cloudflare Bot Management May 2026
- dropped Google Analytics May 2026
- dropped Google Tag Manager May 2026
- detected Matomo Analytics Apr 2026
- detected Matomo Tag Manager Apr 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Bot Management Nov 2025
- dropped Amazon SES Aug 2025
- dropped Google Workspace Aug 2025
- dropped Zendesk Aug 2025