butterfly css v4.2
an attribute based css framework that simplifies building responsive and creative websites without needing bulky frameworks. by focusing on minimal yet powerful refreshing CSS attributes
Added April 20, 2026
· Last analysed April 20, 2026 · via 
· 55% unique tagline
StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 20 April 2026; the live site may have changed since.
butterfly css v4.2 still has work before launch. Visible gaps: missing several security headers, incomplete legal pages, and no robots.txt.
Launched on Product Hunt on April 20, 2026. The site is hosted on Netlify. The crawl picked up 12 technologies on this site, covering analytics, package cdn, CSS frameworks, and web fonts. The stack includes Tailwind CSS, Arcade, and Google Analytics.
For context, it's on one of the most common stacks we track, shared by 641 launches.
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Tech Stack (12) · Scale-up stack
| CSS framework |
Tailwind CSS
|
| Font |
Google Fonts
|
| Package CDN |
jsDelivr
(2)
|
unpkg
|
|
| Video |
Arcade
|
| Analytics |
Google Analytics
(2)
|
Microsoft Clarity
|
|
Segment
|
|
| SEO |
Google Search Console
|
| Tag management |
Google Tag Manager
|
Infrastructure
Email Security
Readiness Breakdown How?
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| AI copy signals | +5 |
| AI palette signals | +5 |
| AI iconography signals | +3 |
| AI code-structure signals | +5 |
This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.