A/B testing

[ ey-bee-tes-ting ]
/ ˈeɪˈbi ˌtɛs tɪŋ /

noun

Digital Technology. a stage of design and development that compares two or more versions of a web page or app in simultaneous use to assess which is the optimized version for achieving a specified design goal or performance metric.
a research methodology that compares two or more versions of a product or strategy to determine empirically which version is superior: A/B testing informed our graphics choices for the new email marketing program.

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What does “blatherskite” mean?
Also called split testing .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020