What powers redster.org?
Last seen Jun 2026 · 13 technologies across 12 categories
Advertising
i-mobile
since Jul 2024
Analytics
Google Analytics
since Jul 2024
Snowplow Analytics
since Jul 2024
JavaScript frameworks
Stimulus
since Jul 2024
JavaScript libraries
Miscellaneous
Open Graph
since Jul 2024
PaaS
Azure
since Jul 2024
Performance
Turbo
since Jul 2024
Programming languages
Ruby
since Jul 2024
Security
Cloudflare Turnstile
since Jul 2024
UI frameworks
Tailwind CSS
since Jul 2024
Web frameworks
Ruby on Rails
since Jul 2024
Webmail
Proton Mail
since Feb 2026
Audience
- 55% desktop
- 45% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.65 / 10 · ranked #20,758,363 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.7 MB · 36 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped HSTS Mar 2026
- dropped Nginx Mar 2026
- dropped Phusion Passenger Mar 2026
- detected Proton Mail Feb 2026