Nd some subscribers disabling images to save mobile data or for other reasons. For this reason, email marketers must use defensive design techniques to ensure their message is delivered when images are disabled. Defensive design, which also contributes to email accessibility, consists of three key tactics:use html or live text whenever possible, instead of embedding all your text in your imagesadd alt text to your images or even better, styled alt text using background colors on table cells let's focus on that last tactic. One of the big things that happens when images are blocked is that your email loses its structure. The email flattens out and everything starts to blur. Using html text and styling the size and color of your alt text can help create structure and hierarchy, but company mailing list background colors are even more powerful. Adding a background color to a table cell creates banners, content blocks, and is essential for creating bulletproof buttons. This twitter email shows how table cell background colors can maintain the integrity of an email design when images are blocked. Defensive design in twitter emails that's great, but background color table cells can do more, much more. In addition to being used with html text to create email content that is unaffected by image blocking, table cell background colors can be used as a fallback for images . You do this by creating a mosaic dataset from a series of nested tables with background colors applied to the table cells. You then slice the image so that each slice fits perfectly into the table cells of your mosaic. The sentiment of the mother's day email message, using pixel art from the email to create a large pink heart. Email pixel art in bendon lingerie email design and strategic considerations before creating an email mosaic, consider the following design and policy issues: 1. Email pixel art can get heavy , which can cause your email to get cut off in gmail if the email exceeds 102kb. So keep it simple, focusing on one pixel image minimum viable art. For example, the pixelated heart of benton lingerie could have been much more streamlined with the doubling or tripling of the number of cells in the array. But their execution is very clearly a core and is therefore very effective as is. 2. Email pixel art can be a lot of extra work ,