Did you know that you could import color swatches into Photoshop from a CSS file. Well using the technique showed below, you can see how to do that.
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Photos are the main culprit as to why pages (appear to) render slow.
Use progressive JPEGs to improve the performance of your site, “because perceived speed is more important than actual speed”.
Use Progressive JPGs to Improve Your Website’s Percieved Speed was originally found on Access 2 Learn