Image Optimization FAQs

What is Image Optimization?

The Litmus Personalize Image Optimizer allows you to conduct image optimization live in your email. The most converting image after the initial quota of opens will automatically be displayed for the remainder of the campaign opens. This is a quick, easy alternative to A/B Split tests and control groups. The highest converting image for the campaign at that point in time will display for the rest of the campaign.

How does it work?

Simply upload the images you wish to test against one another, select an open quota, for example, 1000 opens. The first 1000 opens will randomly see one of the images being tested using the image optimiser. After the first 1000 opens, the image with the highest conversion rate compared to the other images will automatically display to the remainder of the recipients opening the email.

How do I decide on the Open Quota?

Select the number of random opens to be used for optimization before the winning image is displayed. We recommend selecting a quota that is between 10-15% of your expected number of opens.

What is the advantage of Image Optimization in the email rather than a control group or A/B split test?

The main advantage is that it is a quicker, more accurate way to optimise. In email optimization responds to the engagement at the time the email has been sent. Comparatively, control groups show engagement for a prior send which may be subject to different conditions (such as a different time or day or day of the week) which could negatively affect the results. Similarly, using an A/B split test to a percentage of the database, or to the entire database split 50:50, you may be missing out in invaluable revenue if a lower converting image displays to 50% of the recipients.

Can I track opens on an individual level?

Yes. To ensure that Image Optimizer tracks at the individual level you must add the correct email address mail merge from your ESP to the end of the Tag.

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