Use the visual editor to change headlines, buttons, images, and layout on any landing page. No redeploys and no waiting on developers.
Test multiple elements on the same URL—ideal for PPC and paid social landing pages where traffic lands on one URL.
Send traffic to separate landing page URLs when you need fully different page designs or offers.
Run mobile-specific landing page tests when mobile traffic converts differently from desktop.
Track form submissions, button clicks, page visits, and custom events to measure which landing page wins.
See experiment performance as traffic arrives instead of waiting for weekly reporting cycles.
Set goals in seconds and attribute conversions back to the variant each visitor saw—even across multiple sessions.
Heavy testing scripts can hurt the very conversions you are trying to improve. Stellar's 5.4KB snippet loads asynchronously so landing pages keep performing.
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.
Test value propositions and clarity—the highest-leverage change on most landing pages.
Compare button copy, color, and placement to lift form starts and demo requests.
Swap hero images or videos to see which visual story drives more engagement.
Test shorter vs. longer lead forms to balance lead volume and lead quality.
Add or reorder testimonials, logos, and trust badges to reduce friction.
Optimize mobile-specific landing experiences when most paid traffic is on phone.
Up to 25k MTU
Built-in analytics
Visual web editor
Custom CSS & JS editor
AI editor assistant
Basic A/B testing
Up to 3 variants per experiment
Up to 2 experiments running simultaneously
50k MTU included
Unlimited variants
Unlimited concurrent experiments
Advanced targeting rules
Dynamic keyword insertion
AI insights & recommendations
Priority support
Custom MTU volume
Custom solutions
Integrations support
We dynamically bill in small increments of 1k MTU, so you only pay for what you actually use and never overpay
No hidden fees, no large fixed blocks. Scale smoothly as your traffic grows with predictable, usage-based billing
We only count users who actually see experiments. Multiple experiment views from the same user count as just 1 MTU