What powers bluebacks.jp?
Last seen Apr 2026 · 32 technologies across 18 categories
Advertising
Twitter Ads
since Oct 2023
Analytics
Google Analytics
since Oct 2023
Authentication
Facebook Login
since Jul 2021
CDN
Development
Turbopack
since Feb 2026
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since Sep 2021
Miscellaneous
PaaS
Amazon Web Services
since Sep 2021
Vercel
since Oct 2023
Performance
Priority Hints
since Oct 2023
Programming languages
Rich text editors
CKEditor
since Mar 2020
Security
HSTS
since Oct 2023
Tag managers
Google Tag Manager
since Mar 2020
UI frameworks
Web frameworks
Laravel
since Sep 2021
Web servers
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.21 / 10 · ranked #1,247,076 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Vercel
- Weight: 1.9 MB · 109 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| outreach.bluebacks.jp | 21 |
| 60th.bluebacks.jp | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Turbopack Feb 2026
- dropped Twitter Feb 2026
- dropped Cloudflare Bot Management Nov 2025