Litmus for Marketers

The most powerful optimization tool in an email marketer’s toolkit

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Send email with confidence

Get a complete, guided check of the most critical elements that affect your email performance before you press send.


Instantly see how your emails look and function across the most popular apps and devices before you send.


Check the most critical elements of your email and improve performance everywhere for every subscriber.


Go way beyond opens and clicks with the most complete email performance data available for marketers.

Optimize every email for every subscriber

Here are some ways marketers are using Litmus to improve the subscriber experience.

Reach the inbox every time

Get your email scanned by every major spam filter before you send.

Collaborate more efficiently than ever

Cut review cycles and production times with a centralized tool for providing feedback.

Increase open rates

Verify that your subject line, from name, reply-to address, and preview text are all optimized.

Deliver a great experience across the board

Run an accessibility check on your email to ensure subscribers with impairments can engage with your message.

Track the engagement metrics that matter

Go beyond open rates to see if subscribers read, skimmed, glanced or deleted your email. Compare read rates by device and identify key areas for optimization.

Catch broken links

Confirm that all your links are working and going to their intended destination before pressing send.

Shareable reports

Easily create public analytics reports to share with other members of your team.