Stellar Logo

Stellar

#2 Daily Winner

Free, no-code A/B testing tool for websites

1 upvotes
Product screenshot

What is Stellar?

Stellar is a lightweight, no-code A/B testing platform designed for growth teams and agencies. Launch visual experiments in minutes without developer involvement—simply use the WYSIWYG editor directly on your site to change text, images, styles, and layouts.

The platform features a 5.4KB script (25x smaller than competitors), real-time analytics with GA4 integration, heatmaps, funnel tracking, and AI-powered insights. Advanced capabilities include dynamic keyword insertion for personalized messaging, custom JavaScript/CSS for granular control, and behavior analytics that track the complete customer journey from first visit to conversion.

Stellar is GDPR compliant with no cookies, works across all platforms (Shopify, Webflow, WordPress, Wix, Framer, custom builds), and includes statistical confidence scoring. With a 4.8 G2 rating and 14-day free trial, it's built for teams that need fast, data-driven experimentation without complexity.

How to use Stellar

  1. 1

    Install the 5.4KB script snippet on your website

  2. 2

    Open the visual editor directly on your site and create test variants

  3. 3

    Set traffic allocation and launch your experiment live in minutes

  4. 4

    Monitor real-time results and AI-powered recommendations in your dashboard

  5. 5

    Make data-driven decisions with statistical confidence scores

Key features

Visual A/B editor launches tests in minutes without developers or code

5.4KB script—25x smaller than competitors, zero Core Web Vitals impact

Real-time analytics with GA4 integration and AI-powered insights

Heatmaps, funnels, and behavior analytics to track visitor journeys

GDPR compliant, cookie-free, works on Shopify, Webflow, WordPress, and more

Use cases

  • Growth teams testing landing page copy and design variations rapidly
  • E-commerce sites optimizing checkout flows and conversion rates
  • Agencies running multiple concurrent A/B tests for clients
  • SaaS companies personalizing messaging with dynamic keyword insertion
  • Marketers analyzing heatmaps to identify high-performing page elements

Best for

Growth teamsCRO agenciesE-commerce businessesSaaS companiesNon-technical marketersIndie hackers

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Frequently asked questions about Stellar

Common questions to help you decide if Stellar is right for you.

Stellar is a lightweight, no-code A/B testing platform designed for growth teams and agencies. Launch visual experiments in minutes without developer involvement—simply use the WYSIWYG editor directly on your site to... On Launch Vault, it is listed in Marketing Tools.

Yes — Stellar offers a free tier. Visit the official site for the latest pricing options and any premium plans.

Explore more Marketing Tools products on Launch Vault to compare similar tools by category, pricing, and launch activity.

Stellar launched on Launch Vault on 2025-11-08 and ranked #2 for its launch day and currently shows 1 upvote.

Stellar is tagged with AB Testing / Marketing. Its listed platform support includes desktop.

Stellar was published on Launch Vault by Juan Chaher.

Visit the official Stellar website (linked above) for the latest features, pricing, and documentation. You can also upvote Stellar on Launch Vault to help other makers discover it.

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