Conversion rate optimization improves a user's ability to complete a useful action. It begins with understanding where and why people abandon a workflow, not with changing button colors at random.
Check usability, performance and the clarity of the offer. Investigate differences between traffic segments and devices. State a test hypothesis and choose a measure that reflects the intended action without rewarding misleading design.
Evaluate test results with the sample size and uncertainty visible. Monitor effects on lead quality, refunds or customer support when relevant. Preserve successful improvements and avoid treating one short test as a universal rule.
Open Sources Used
This page uses open and institutional references as a frame; the final decision still belongs to the company record, threshold and owner.
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Reading adjacent decision areas keeps the topic from becoming an isolated note.