# Stellar | The Fastest A/B Testing Platform for Growth Teams

> Landing-page aligned reference for Stellar: A/B tests, heatmaps, funnels, and real-time analytics—built for agencies and growth teams. Lightweight by design (5.4KB script) and privacy-first (GDPR compliant, no cookies).

## Overview

[Stellar](https://gostellar.app) helps teams launch experiments in minutes—without developers, tag managers, or deployment pipelines. Install one snippet, open the visual editor on your live site, ship variants, allocate traffic, and see results in a privacy-first dashboard.

## Core capabilities

### Experiment creation

- Visual, no-code A/B editor (WYSIWYG) for on-page changes
- Variant controls: traffic allocation, multiple variants (by plan)
- Custom JavaScript & CSS for advanced experiments
- Dynamic Keyword Insertion (personalize copy from URL parameters)
- AI editor assistant to generate headlines, CTAs, and copy variations

### Analytics & optimization

- Real-time experiment analytics with breakdowns (device, UTM, time/day)
- Heatmaps (click + scroll behavior)
- Funnels (full journey drop-off analysis)
- AI-powered insights and recommendations (Pro+)
- Statistical confidence (Bayesian approach) to identify winners
- Goals and conversion tracking (including multiple conversions per experiment)

### Targeting & compatibility

- Targeting rules by URL patterns, device type, and country
- Works on any website: Shopify, Webflow, WordPress, Wix, Framer, and custom builds
- Compatible with SPAs (e.g., Next.js/React/Vue) and client-side routing

### Privacy & security

- GDPR compliant by default
- No cookies
- No PII collection

## Performance

- Script size: **5.4KB** (served via CDN)
- Reported LCP impact: **16ms**
- Claims: **25x smaller** than tools like VWO or AB Tasty; designed for minimal impact on Core Web Vitals and SEO

## Pricing (landing-page tiers)

### Sandbox ($0/month)

- Up to **5k MTU**
- 60-day data retention
- 2 variants per experiment
- 1 active experiment
- 2 goals per domain
- 1 domain, no team seats
- No heatmaps, funnels, or AI insights

### Plus (annual: $29/mo; monthly: $39/mo)

- Up to **25k MTU**
- 180-day data retention
- 3 variants per experiment
- 2 active experiments
- 5 goals per domain
- Visual editor + analytics
- 3 domains, no team seats
- No heatmaps, funnels, or AI insights

### Pro (annual: $99/mo; monthly: $149/mo)

- Includes **50k MTU** base
- Pay-as-you-go MTU overage: **$2/month per additional 1,000 MTU**
- Unlimited variants & experiments
- Unlimited goals & domains
- Heatmaps & funnels
- AI insights & recommendations
- Advanced targeting rules
- Dynamic keyword insertion
- Team seats & priority support

### Enterprise (custom)

- Custom MTU volume and pricing
- Unlimited domains & seats
- SSO & security requirements
- Dedicated account manager
- Priority implementation support

Notes:
- CTAs on landing: **Start for free** (no credit card required) and **Book a demo**.
- Plus/Pro CTA on landing: **Start 14-day free trial**.

## Social proof

- G2 reviews and testimonials from founders, agency leads, and marketing teams highlight ease of setup, lightweight script, and strong support.
- Customer story highlights: **+24%** main conversion increase, **5 min** time to first test, **12** tests launched.

## Integrations

- Native positioning: GA4 + third-party integrations (Segment, Mixpanel)
- Custom JavaScript hooks for sending experiment events (e.g., `gtag`, GTM `dataLayer`, custom dimensions)

## Resources

- [Main website](https://gostellar.app)
- [Pricing](https://gostellar.app#pricing)
- [FAQs](https://gostellar.app#faqs)
- [G2 reviews](https://www.g2.com/products/gostellar/reviews)
- [Book a demo](https://calendly.com/juan-gostellar/30min)
- [Customer story (LinkedIn)](https://www.linkedin.com/posts/charles-wagner-0574b819_stellar-ab-test-any-website-activity-7384901040841850880-m7pP)