What powers bubble-books.com?
Last seen Jun 2026 · 20 technologies across 16 categories
Advertising
Twitter Ads
since May 2026
Analytics
Google Analytics
since May 2026
Authentication
Facebook Login
since May 2026
Caching
Varnish
since May 2026
CDN
CMS
Hatena Blog
since May 2026
Font scripts
Issue trackers
Sentry
since May 2026
JavaScript libraries
Miscellaneous
Open Graph
since May 2026
RSS
since May 2026
PaaS
Amazon Web Services
since May 2026
Security
Cloudflare Bot Management
since May 2026
Tag managers
Google Tag Manager
since May 2026
Video players
YouTube
since May 2026
Web servers
Nginx
since May 2026
Widgets
Twitter
since May 2026
Audience
- 62% phone
- 38% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.62 / 10 · ranked #21,520,776 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 4.0 MB · 77 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected cdnjs Jun 2026
- detected Font Awesome Jun 2026