A/B Test Your Webflow Website
The fastest A/B testing solution for Webflow. No-code visual editor, easy setup, and powerful analytics without slowing down your site.
🚀 Trusted by Webflow designers & marketers
Perfect for Webflow sites & integrates with your tools
Set up A/B testing on your Webflow site in <60 seconds
Why Stellar is perfect for Webflow
Fastest A/B testing solution for Webflow sites
At just 5.4KB and served on a CDN, Stellar's pure JS script is 25x smaller than competitors like VWO or AB Tasty. With minimal dependencies and a fixed size regardless of test count, it preserves your website's speed, Core Web Vitals, user experience, and SEO performance.
Create variants with our visual editor - no Webflow exports needed
Works with your Webflow site
Simply add our lightweight snippet to your Webflow site and start creating variants without touching your Webflow designer.
Test any element on your Webflow site
Change headlines, buttons, images, or entire sections. Our visual editor makes it easy to test any element on your Webflow site.
Custom CSS and JavaScript
Need more control? Add custom CSS and JavaScript to your variants for advanced modifications beyond Webflow's capabilities.
Track Webflow Interactions
Easily track button clicks, form submissions, and other interactions on your Webflow site without writing complex code.
Multi-page Conversion Tracking
Track conversions across multiple pages of your Webflow site, perfect for testing changes on landing pages with separate checkout flows.
Track conversions on your Webflow site, effortlessly
Real-time analytics for your Webflow experiments
Clear, actionable insights
See which variants perform best with easy-to-understand metrics and statistical significance indicators.
Integrates with GA4
Send experiment data to Google Analytics 4 to analyze alongside your other Webflow site metrics and user behavior data.
Optimize your Webflow site without the complexity
Trusted by Webflow designers and marketers
Jake M. — Performance Marketer
⭐️⭐️⭐️⭐️⭐️
Other testing tools have a million features I don't need. Stellar focuses on what actually matters: speed, ease of use, and great analytics.
Richard R. — E-commerce Owner
⭐️⭐️⭐️⭐️⭐️
Stellar is the real deal. No unnecessary features, no steep learning curve. Just quick tests that actually improve our store.
Ben C. — Growth Hacker
⭐️⭐️⭐️⭐️⭐️
It does the job without slowing down our pages. If you're running tests and care about performance, this is the tool to use.
Mike T. — Founder @ DTC Brand
⭐️⭐️⭐️⭐️⭐️
Stellar is refreshingly lightweight and ridiculously easy to use. My team got experiments running without having to call in developers. Game changer!
Lauren K. — Growth Marketer
⭐️⭐️⭐️⭐️⭐️
Setting up my first test took no more than 5 minutes. Easily the best testing tool I've used.
Jason B. — CRO Specialist
⭐️⭐️⭐️⭐️⭐️
We were looking for a Google Optimize alternative. Stellar is so simple yet incredibly powerful. And their usage based pricing makes us save a TON compared to our previous contract with VWO.
Sarah J. — Marketing Lead
⭐️⭐️⭐️⭐️⭐️
Stellar keeps it simple but does everything you need. Fast, lightweight, and no unnecessary complexity. Also, their support team are absolute legends.
David R. — SaaS Product Manager
⭐️⭐️⭐️⭐️⭐️
Switched to Stellar after dealing with slow, clunky testing platforms. The difference is night and day. Setup is fast, the script is tiny, and our site loads just as fast as before. Highly recommend.
Tom G. — Lead Designer
⭐️⭐️⭐️⭐️⭐️
Ran my first test in five minutes and without a developer. Reporting is clear, setup is easy, and it just works.
Emily W. — Conversion Specialist
⭐️⭐️⭐️⭐️⭐️
The perfect alternative to all those bloated testing tools. Their support team actually knows A/B testing and helps when you need it.
Pricing
Free
Up to 25k MTU
Built-in analytics
Visual web editor
Custom CSS & JS editor
AI editor assistant
Basic A/B testing
Limited variants & goals
Limited concurrent experiments
Pro
50k MTU included
Unlimited variants
Unlimited concurrent experiments
Advanced targeting rules
Dynamic keyword insertion
Priority support
Enterprise
Custom MTU volume
Custom solutions
Integrations support
Unlike competitors who charge in fixed large blocks, we dynamically bill in small increments of 1k MTU, ensuring you never overpay
Compared to average competitors like VWO's $4,700/year for 50k MTU, our equivalent annual cost is just $1,118
We only count users who actually see experiments. Multiple experiment views from the same user count as just 1 MTU