What is frustrating about this (and the reason why you have numerous threads on the web trying to find a solution to this problem) is that the instructions CC gives on the site for how to upload an image just simply doesn't achieve the best results. I've been working around this problem for over 2 years now. To answer your question, yes I have flattened, optimized, saved as pngs and jpgs, made sure my images were not too small, made sure my images were not too large, etc. The best solution I have found to this is what the above user mentioned which is in opposition to what your site suggests. 800px wide gives the best results. Everything else looks depredated due to over compression, or if small files, stretching. To be honest, even when that is worked around the images are not as crisp as the originals. Sorry, it's just not a high quality process. I have always appreciated the customer service that you guys provide and I appreciate your attention to this issue. I hope CC can figure it out.
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I've overall had a good experience with Constant Contact but this issue is getting really old. You guys need to update your recommendations or change how images are compressed when you upload. There really is no great option for maintaining image quality BUT I agree with @unad5. Somewhere around 800px wide gets the closest. I've tried every suggestion by Constant Contact multiple times and have only found it to degrade my uploaded images to a point of being unusable. I use this primarily to show portfolios and if image quality doesn't improve I'll be forced to look for other options. This was not an issue when I began using CC.
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