What is A/B testing?

Testing two versions of content to see which performs better.

In an A/B test you change just one thing: the visual, the headline, the first line or the posting time. That way you know what caused the difference.

Ad managers and features like Trial Reels make testing easier.

Updated: October 12, 2026 · All terms

Run your social media from one panel

IZY Social writes posts in your brand's voice, publishes them at the right time and reports the results.