What powers bluecollar.jp?
Last seen Jun 2026 · 18 technologies across 12 categories
Advertising
Twitter Ads
since Jul 2022
Analytics
Google Analytics
since Jun 2022
Microsoft Clarity
since Aug 2022
CDN
Cloudflare
since Sep 2024
Font scripts
JavaScript frameworks
Riot
since Jun 2022
JavaScript libraries
Slick
since Jun 2022
Underscore.js
since Jun 2022
Mobile frameworks
jQuery-pjax
since Jun 2022
Performance
Priority Hints
since Mar 2026
Security
Cloudflare Bot Management
since Sep 2024
HSTS
since Feb 2026
Tag managers
Google Tag Manager
since Jun 2022
UI frameworks
Web servers
Nginx
since Jun 2022
Audience
- 89% desktop
- 11% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.02 / 10 · ranked #3,530,598 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.5 MB · 123 requests
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
- detected Priority Hints Mar 2026
- detected HSTS Feb 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025