
"Should this button be red or blue?"
If that's your biggest A/B testing question, you're playing in the kiddie pool while your competitors swim in the deep end.
Here's the truth: Most A/B tests fail because brands test surface-level changes instead of fundamental assumptions.

An example of an A/B testing process with a countdown timer.
The Testing Hierarchy (From Highest to Lowest Impact)
🎯 Level 1: Value Proposition (Potential lift: 50-200%)
Core product messaging
Primary benefit claims
Target audience assumptions
Pricing strategy
🎯 Level 2: Trust & Social Proof (Potential lift: 20-80%)
Review placement and format
Testimonial types (video vs text)
Authority indicators
Risk reversal offers
🎯 Level 3: User Experience (Potential lift: 10-40%)
Page layout and flow
Navigation structure
Form length and fields
Checkout process
🎯 Level 4: Visual Elements (Potential lift: 2-15%)
Colors and fonts
Image styles
Button design
Spacing and sizing
The 80/20 Testing Strategy
Spend 80% of your testing budget on Levels 1-2, 20% on Levels 3-4.
Why? Because changing "Sign Up Now" to "Get Started Today" might lift conversions 3%. But changing your core value prop could double them.

High-Impact Tests to Run This Quarter
🧪 Value Prop Test: Problem-focused vs. solution-focused headlines 🧪 Social Proof Test: Customer count vs. star ratings vs. testimonials 🧪 Trust Test: Guarantee placement (header vs. product page vs. checkout) 🧪 Urgency Test: Inventory levels vs. time limits vs. social pressure
The Testing Calendar
Week 1: Launch value proposition test
Week 2: Analyze results, plan social proof test
Week 3: Launch social proof test
Week 4: Results analysis and planning
One test at a time. Let it run for statistical significance. Learn. Iterate.
The Million-Dollar Question
Before starting any test, ask: "If this wins by 50%, would it meaningfully impact our business?"
If the answer is no, test something bigger.
What's the biggest assumption about your customers that you've never tested?