What powers kurofes.net?
Last seen Jun 2026 · 15 technologies across 15 categories
Advertising
Twitter Ads
since Sep 2021
Analytics
Google Analytics
since Jul 2019
Authentication
Facebook Login
since Sep 2021
Caching
RackCache
since Jul 2019
CDN
Cloudflare
since Jun 2025
Sendgrid
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Ruby
since Jul 2019
Security
Cloudflare Bot Management
since Jun 2025
Tag managers
Google Tag Manager
since May 2023
Web frameworks
Ruby on Rails
since Jul 2019
Web servers
Nginx
since Jul 2019
Widgets
Twitter
since Sep 2020
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.87 / 10 · ranked #3,979,827 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 20.0 MB · 49 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped YouTube Jun 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected YouTube Sep 2025