There are several tools available that can facilitate usability testing for email marketing:
Litmus: Allows you to test your emails across various devices and email clients to ensure they render correctly. UserTesting: Provides a platform to gather real-time feedback from actual users as they interact with your emails. Hotjar: Offers heatmaps and session recordings to understand how users engage with your emails. A/B Testing Tools: Tools like Mailchimp and Campaign Monitor allow you to test different versions of your email to see which performs better.