A/B testing has many benefits to a marketing team, depending on what you decide to test. There is a limitless list of items you can test to determine the overall impact on your bottom line.
Here are some elements you might decide to test in your email, newsletter campaigns:
Subject lines.
CTAs.
Headers.
Titles.
Fonts and colors.
Product images.
Blog graphics.
Body copy.
Navigation.
Opt-in forms.
Benefits of AB getting
1. Higher content engagement
2. Higher web traffic
3. Lower bounce rate
4. Lower cart abandonment
Credits
https://blog.hubspot.com/marketi...