Email annotations let you include images, deals, expiration dates, and other offers to help bring your emails to life. By using high-quality images and the most relevant information, your emails are more likely to be viewed and clicked on within the Gmail Promotions tab. *
This section outlines best practices for annotating your email messages.
Images
- Avoid text only. This space was designed to highlight the visual components of your promotional email. To improve performance, try using product or lifestyle images.
- Crop well. Images are center-cropped automatically. The supported aspect ratios are 4:5, 1:1, 1.91:1.
- Avoid reusing images. Keep your promotional email fresh and engaging by using unique images. Email messages that reuse the same image may be disregarded as duplicates by users.
- Use HTTPS (not HTTP) for image URLs.
Deal badge
Highlight the features of your promotion, such as "20% off" or "Free Shipping."
- Be specific. Identify the details of your promotion, such as the discount percentage or promo code.
- Don’t use run-on sentences. Avoid using more than 4 words or full sentences in deal badge, as the badge space competes with your subject line.
Discount code
Only use a discount code if you have it featured in the email. Don't repurpose this space, as it always says "Code" before the text.
Expiration date
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Using this feature allows an email two opportunities to preview at the top in a bundle: once when it is first sent and again within 3 days of the offer expiring.
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Don’t leave an expired date in the annotation, as it will be read as an old offer and the email will not populate into a bundle.
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Specify the time and time zone (for example, "
2018-12-30T23:59:59-0700"). For more information date formatting, see Format date and time .
* Emails are grouped automatically based on a number of factors.
