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A/B Testing

Experimental technique for data-driven optimal marketing decisions

A/B testing enables data-driven decisions instead of gut feelings. You can test almost any marketing element: landing pages, email subjects, CTA button colors, pricing, etc.

Keys to successful A/B testing: test one variable at a time, ensure sufficient sample size, confirm statistical significance (95%+).

Tools like Google Optimize, VWO, Optimizely allow running tests without development.

Execution Steps

1

Form hypothesis โ€” "Changing CTA color to red will increase conversion by 10%"

2

Design experiment โ€” Define traffic split, test duration, success criteria

3

Execute and collect data โ€” Minimum 2 weeks, sufficient samples

4

Analyze results and apply โ€” Confirm statistical significance, apply winner

Pros

  • Objective data-based decision making
  • Small changes can yield big improvements

Cons

  • Difficult to get significant results with low traffic
  • Non-optimal version is exposed during test period

Use Cases

Landing page headline optimization Email subject line open rate improvement