Stellar
Launch A/B tests in minutes, not sprints—no developers needed.
What is Stellar?
Stellar is a no-code A/B testing platform designed for growth teams and agencies to launch visual experiments in minutes without developer involvement. It features a lightweight 5.4KB script, real-time analytics with GA4 integration, and AI-powered insights to guide conversion rate optimization decisions. The platform enables teams to test hypotheses, see statistically confident results, and make data-driven decisions immediately rather than waiting weeks for development cycles.
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Key Features of Stellar
- Visual A/B Editor with WYSIWYG interface
- No-code experiment setup in under 5 minutes
- Dynamic Keyword Insertion for personalized copy
- Custom JavaScript & CSS for advanced experiments
- AI Editor Assistant for generating copy variations
- AI-Powered Insights with confidence scores
- Real-time analytics dashboard
- GA4, Segment, and Mixpanel integration
- Behavior analytics tracking clicks to conversions
- Multiple conversion event tracking per experiment
- Lightweight 5.4KB script
- Privacy-conscious, cookieless by default
- Device and UTM parameter breakdown
- Easy goal setup without coding
Who Should Use Stellar?
Launch visual A/B tests for conversion rate optimization
Test landing page variations without development tickets
Personalize copy for ad campaigns with dynamic keyword insertion
Track conversion funnels across different traffic sources
Compare variant performance by device type and time period
Identify which on-page changes drive actual purchases
Optimize websites for agencies and growth teams
Stellar: Pros & Cons
✓Pros
- Fastest A/B testing platform in the market
- 4.8 rating on G2
- No developer or tag manager required
- Very lightweight script (5.4KB)
- Privacy-conscious and cookieless by default
- Real-time, statistically confident results
- AI-powered insights and recommendations
- Native GA4 integration
- Works with every platform
- Live results visible immediately
Tool Details
- Pricing
- Free
- Category
- User Testing
- Added
- Jul 2026
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