What is A/B Testing?
Method of comparing two versions of content, design, or functionality to determine which performs better. Essential for optimization. For example, testing two different email subject lines to see which gets higher open rates. Companies like Amazon and Netflix extensively use A/B testing for continuous improvement.
While A/B testing and split testing are often used interchangeably, they serve different purposes in conversion optimization. A/B testing compares two versions to measure engagement, while split testing can test multiple variants simultaneously. Both use visitor data and statistical analysis to improve conversion rates.
An A/B test should run until it reaches statistical significance, typically 2-4 weeks minimum. Factors like traffic volume, conversion rates, and seasonal variations affect test duration. Most testing tools provide sample size calculators to determine optimal test length.
Start A/B testing high-impact elements like headlines, call-to-action buttons, forms, and pricing displays. Focus on areas with significant traffic and clear conversion goals. Test elements that align with user behavior patterns and business objectives.
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