Interlaced GIFs and Progressive JPEGs

Interlaced GIFs and Progressive JPEGs work pretty much in the same way. It is a method of allowing the user to see the image in stages as the file downloads. Below are some samples at different file sizes to help demonstrate this idea.
Interlaced GIFs Progressive JPEGs
Image 1 - 20KB
Image 2 - 79KB
Image 3 - 156KB
 		Image 1 - 17KB
Image 2 - 42KB
Image 3 - 79KB


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