Monthly Archives: December 2013

Gmail’s image caching: How it affects email marketing & how to heal your opens tracking

Gmail started caching images (see wordtothewise.com and my post on emailmarketing.de): It saves image files from unique URLs temporarily and changes the image URLs in newsletters so that they point to the cached images on googleusercontent.com. The user’s browser then loads and displays Gmail’s cloned images. For marketers, this may lead to reduced tracking and marketing opportunities. Here is why.

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