JPEG stands for the Joint Photographic Experts Group, which is the name of the sub-committee that helped create the JPEG standard, as well as other still picture coding standards under the broader group called ISO. This may result in slower page loading times. While the image quality is never sacrificed because no information is eliminated, know that with lossless compression the final file size of your image will always be bigger than with lossy compression. Lossless compression saves your images in an entirely different format ( usually PNG). If you don’t want to perform JPEG lossy compression on your site’s images, there’s always the alternative: lossless compression. If you’re more experienced in editing images using lossy compression, there is a chance you can save the image quality while reducing its file size by working with RAW JPEG images, making edits, and saving the image one time. The more editing and saving of a single image you do, the worse the quality of the image will be.When you compress an image using lossy compression, you determine the file size and image quality trade-off ( e.g., smaller files = worse image quality).JPEG lossy compression is usually used for photographs and complex still images.During the compression process, each pixel is compared to pixels surrounding it in a ratio ranging from 2:1 all the way to 100:1 ( any pixels that are the same as the original are then deleted as they are deemed redundant).Image quality does suffer, though it’s often so slight the average site visitor can’t tell.The file size of the image being compressed is permanently reduced by eliminating unnecessary ( redundant) information from the image.Here are some things to remember about lossy compression: JPEG is a lossy compression method used to ensure the digital images being used are as small as possible and load quickly when someone wants to view them. See how Kinsta stacks up against the competition.

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