Do people still use the old HTML Image Maps? The ones with:
While I rarely see them used on modern websites anymore, they do seem to be used by my clients in their email campaigns. However, I've noticed, and confirmed that there are some scaling issues with the coordinate system on mobile devices.
** I know this thread is old, I was just doing some additional research into this for a recent email campaign issue and thought it may help someone else down the line.
The question on litmus.com on image map support is from 04/2014
Image maps do not support ALT tags, when images aren't loaded the ALT text isn't displayed in some clients.
Image map usage generally results in using large images which can cause deliverability issues and hinder download speed (especially important to mobile users).
And most importantly, The iOS (iphone/ipad) doesn't scale the image map link coordinates when the image is scaled which breaks the links. Since iOS represents a large majority of email opens (iPhone + iPad = 38% via http://emailclientmarketshare.com/) this is important.