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Result: Which AI-generated headline won?
Shorter sub-headline copy



Test Details:

LottieFiles is a design and development tool that provides everything needed to create, edit, display, and share Lottie animations.

A Lottie is an open-source animation file format. These small animated files work on any device and can scale up or down without pixelating., an AI-powered A/B testing platform, ran this intelligent copy test for their client, LottieFiles.

An interesting aspect of's tool is it uses an "evolutionary algorithm" to learn from and optimize upon previous test results.

When a winning version emerges, a new experiment automatically starts. Ensuring continuous optimization, the control incorporates the winning elements from the previous study.

And new variants are automatically generated based on learnings derived from previous traffic and user behavior trends.


This test was the second in an on-going series.

In the initial experiment, different design and copy elements were automatically generated and tested within's proprietary platform.

With this experiment, the goal was to determine which AI-created copy combination would increase clicks on the main Call To Action (CTA) button, prompting users to "Get started for free" with the LottieFiles tool.

A total of 5 versions were tested: the control, plus 4 new AI-generated variants.

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Poll Results - The Best Guesses:

Which AI-generated copy won?

  • A (58%, 300 Votes)
  • B (42%, 218 Votes)

Total Voters: 518


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About the Author
Deborah O’Malley, M.Sc.
deborah_omalley-headshot-1-776x776 Deborah is a Google Analytics certified digital marketer with a master's of science (M.Sc.) degree specialized in eye tracking technology. She founded GuessTheTest to connect digital marketers interested in Conversion Rate Optimization (CRO) and A/B testing with helpful resources and fun, gamified A/B tests that inspire and validate testing ideas.
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