You can find many pictures in website and blog with different quality. There are several extensions for picture file such as PNG, JPG, and GIF. More than 70% websites use JPG as extension for their pictures due to simple and efficient compression. In the same size with PNG, JPG is more vivid and flexible than GIF. JPG and JPEG are the same format that comes from Joint Photographic Expert Groups. Majority of editing software provide JPG as the last result after you are done at editing process. To know more about progressive JPEG, you need to read the followings sections, including its benefits.
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