Surface AI Hub
Definitions for key CRO and experimentation terms.
A/B testing is a controlled experiment that compares two versions of a webpage or element to determine which one performs better on a target metric.
Bounce rate is the percentage of sessions in which a visitor leaves a page without taking any action or navigating to another page on the site.
Click-through rate (CTR) is the percentage of people who click on a link, button, or ad after seeing it.
Conversion rate is the percentage of visitors who complete a desired action on a page, such as signing up, making a purchase, or submitting a form.
A heat map is a visual representation of user behavior on a webpage, showing where visitors click, move their mouse, and how far they scroll.
Multivariate testing is an experimentation method that tests multiple page elements simultaneously to find the best-performing combination.
Statistical significance is a measure of confidence that the result of an A/B test reflects a real difference rather than random chance.