Conversion Rate Optimization (CRO)
01 Definition
Conversion Rate Optimization (CRO) meaning: The practice of increasing the share of visitors who take a desired action.
Conversion rate optimization is the structured practice of improving the percentage of visitors who complete a goal, such as a purchase or signup. It combines research, hypotheses, and controlled experiments like A/B tests. The aim is durable gains from evidence, not guesswork about design.
Also called
Why it matters
How Conversion Rate Optimization (CRO) fits the work
CRO turns existing traffic into more results, which can be cheaper than buying more visitors and compounds the value of every channel.
In context
A team runs a CRO test on its checkout, and a clearer shipping message lifts completed purchases from 2.4 to 2.9 percent.
Practical note
Reliable CRO needs enough traffic and conversions for valid tests. Small samples and short tests produce false wins that fade after launch.