Hero headlineExampleWritten by AI from your live page. Check each change before you run it.
Want us to build and run them? Book a demoHow it works
The ideas are a starting point. Which one wins on your traffic is what a test tells you.
We read your page
Your headline, subheadline, buttons, forms and copy, straight from the live page.
We write three tests
One change each: one for every visitor and two for a specific audience, with the exact new copy and what to measure.
We check every quote
A test only shows if the copy it changes is word for word on your page. No invented prices, numbers or predicted lifts.
More free tools
Calculators and audits for testing, ads and revenue. Free, no account needed.
All toolsFree Page Revenue Audit
Paste any URL and get a CRO score, a conversion benchmark range and the top fixes to test first.
Open toolA/B Test Sample Size Calculator
Calculate the sample size needed for statistically significant A/B test results.
Open toolA/B Test Duration Calculator
Estimate how long to run your A/B tests based on traffic and conversion goals.
Open toolUTM Campaign Link Builder
Create trackable campaign URLs with UTM parameters for your marketing campaigns.
Open toolStatistical Significance Calculator
Calculate statistical significance for your A/B test results.
Open toolCRO ROI Calculator
Calculate the ROI of conversion rate optimization improvements.
Open toolCart Abandonment Calculator
Calculate your cart abandonment rate and potential revenue recovery.
Open toolCPM Calculator
Calculate your cost per thousand impressions for display, social, and video ads.
Open toolCPC Calculator
Calculate your cost per click from total ad spend and clicks.
Open toolCTR Calculator
Calculate your click-through rate from clicks and impressions. Benchmark against industry averages.
Open toolROAS Calculator
Calculate your return on ad spend from revenue and ad cost.
Open toolConversion Rate Calculator
Calculate your conversion rate from visitors and conversions with industry benchmarks.
Open toolEngagement Rate Calculator
Calculate your social media engagement rate for Instagram, TikTok, YouTube, and more.
Open toolCookie Consent Impact Calculator
Calculate how much traffic, conversions, and revenue your analytics misses due to cookie banners and ad blockers.
Open toolCustomer Acquisition Cost Calculator
Calculate your CAC from marketing and sales spend. See your LTV:CAC ratio to know if growth is sustainable.
Open toolCustomer Lifetime Value Calculator
Calculate how much revenue each customer generates over their lifetime. See your LTV and LTV:CAC ratio.
Open toolAI Search Visibility Checker
Check if your site appears in AI search results. See your rankings across AI-powered search engines for up to 5 keywords.
Open toolRun the test, not just the idea.
Humblytics builds the variant in a visual editor, splits your traffic and shows which version brought in more signups and revenue.
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