Conversion optimization</strong> is the lever that helps you turn existing traffic into significantly more revenue, leads, and signups – without spending more on ads. While many online stores and websites invest month after month in Google Ads, SEO, and social media, they often leave substantial potential untapped on their own site. In this article, you'll learn what conversion rate optimization (CRO) really means, which methods and tools have proven themselves in practice, and how to systematically improve your landing pages and shop pages step by step.