Guetzli
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Google's new algorithm shrinks JPEG files by 35 percent
For obvious reasons, Google has a vested interest in reducing the time it takes to load websites and services. One method is reducing the file size of images on the internet, which they previously pulled off with the WebP format back in 2014, which shrunk photos by 10 percent. Their latest development in this vein is Guetzli, an open-source algorithm that encodes JPEGs that are 35 percent smaller than currently-produced images.
