What is an email preview? How is it counted?

New Litmus

To learn more about how Email Previews are counted in legacy Litmus, scroll down.

What is an Email Preview?

An Email Preview is an individual screenshot from an email client or device. 

How are Email Previews Generated? 

Email Previews are generated in the following ways:

  • Sending in a draft of your email from your email provider, or starting an email from the syncing option: This will create one set of Email Previews, available in Checklist or Builder.
  • Pasting in your HTML into the Test section of the “New email” dialog: This will create one set of Email Previews, available in Checklist. Note that Pasting into the “Approve” section does not generate a Checklist or any Email Previews. 
  • Uploading your HTML via a file storage integration: This will create one set of Email Previews, available in Checklist.
  • Sharing a Checklist or Builder will generate one set of Email Previews. No matter how many times the public share link is viewed, the Email Previews will only be counted once.
  • Clicking on “Run Email Previews” in Builder will generate one set of Email Previews. Note that Email Previews will not get counted if your email was created by sending a draft into your personal Litmus address and the HTML has not been changed. This avoids “double counting” Email Previews after sending a draft has already generated them in the Checklist view. For example: 
    • If you send a draft from your ESP into your personal Litmus email address generates a set of Email Previews
    • Then navigating to Builder and clicking “Run Email Previews” does not generate a new set of Email Previews. The first set is reused. Once the HTML is changed or updated, pressing Run Email Previews or clicking "Push" will generate a new set of  Email Previews. 
  • Saving a Builder project when the Email Previews window is open will generate one set of Email Previews. Also saving when viewing one specific email client preview will run one set of Email Previews. 
  • Clicking on “Push” in Builder view will generate one set of Email Previews, available in Checklist. 
Manage your Preview Usage.

We track Email Previews based on how many email clients are selected in the tool you are using and how many Email Previews for those selected clients are generated. To edit your email clients go to settings here. Your testing volume accumulates over the course of your monthly billing period and then resets at the start of each new monthly billing period. For example, if you are billed the 15th of each month (or for annual plans, if you started your plan on the 15th), your Email Previews will be counted from the 15th of the month to the 14th of the following month.

Email Preview limits vary by Litmus plan subscription:

  • Basic offers up to 1,000 Previews per month
  • Plus offers up to 2,000 Previews per month
  • Pro offers up to 5,000 Previews per month
  • Enterprise offers a customizable amount of Email Previews every month, based on the unique needs of your business

Here are some helpful tips for managing Previews: 

  • If you are going to build out an email or a template, choose the Build option and click "Start Building" or "Start from Template".  This will not generate any Email Previews.
  • Remember that using the Push feature will run one set of Email Previews in Checklist. 
  • Saving in Builder runs one full set of Email Previews.  You may want to close the instant previews window and code with just the browser view open and then click "Run Previews" when ready. 
  • Remember that importing from a File Storage service always runs one set of Email Previews as part of the Checklist. 
  • You can create a Proof without Previews by pasting HTML in the "Approve" section of the New Email dialog.This will not generate a set of Email Previews.Usage Summary. Remember that emailing into Litmus also creates a Checklsit so you may want to paste HTML to start and then Email in at the end of the process for final review. 

You can access a summary of your account’s usage over the last 6 months in your account settings. If your testing volume indicates your program might benefit from a more advanced Litmus plan, feel free to get in touch and we’d be happy to discuss this with you.


Legacy Litmus

One set of Email Previews are generated in Legacy Litmus the following times: 

  • When a Checklist is created 
  • When a Builder email is saved and Instant Previews window is showing the email clients or a single email client. 
  • Creating a Shared Checklist or Builder test.  Once your unique URL has been generated, this can be viewed as many times as you like without affecting your preview count.
  • When an email is sent to your Litmus Checklist address (@litmustest.com address)

We track previews based on how many email clients are selected and how many previews for those selected clients are generated. You can reduce your previews generated by using the choose email clients options in Builder and Checklist if you only need to retest in selected clients. In Builder you can also select the preview you wish to make changes to and once in full view, this will count as one preview generated for any saves you now make. 

Your testing volume accumulates over the course of your monthly billing period and then resets at the start of each new monthly billing period. For example, if you are billed the 15th of each month (or for annual plans, if you started your plan on the 15th), your previews will be counted from the 15th of the month to the 14th of the following month. 

Email Preview limits vary by Litmus plan subscription:

  • Basic offers up to 1,000 Previews per month
  • Plus offers up to 2,000 Previews per month
  • Enterprise offers a customizable amount of Previews every month, based on the unique needs of your business

You can access a summary of your account’s usage over the last 6 months in your account settings. If your testing volume indicates your program might benefit from a more advanced Litmus plan, feel free to get in touch and we’d be happy to discuss this with you.

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