A/B testing Google Ads is a method of comparing two versions of an advertisement on the Google Ads platform to determine which one performs better. This involves creating two variations of the same ad, with only one element being different between them, and then running them simultaneously to see which one generates more clicks, conversions, or other desired outcomes. This allows advertisers to gather data and insights on what resonates with their target audience and make informed decisions on how to optimize their ads for maximum effectiveness. A/B testing Google Ads is a crucial tool for improving the performance and ROI of advertising campaigns on Google.