Optimization Definition The process of making something as effective and cost-efficient as possible. In conversion marketing, optimization is all about using A/B testing to achieve the highest possible return on your marketing activities with the least amount of money. Conversion expert Chris Goward from WiderFunnel clarifies how optimization should really work. “Never stop testing, and your advertising will never stop improving.” — David Ogilvy Tweet This Resources The Beginner's Guide to Conversion Rate Optimization Landing Page and Conversion Rate Optimization Tips The 7 Principles of Conversion-Centered Design