Images are quickly changing from a boring topic to one of the most debated items on the web performance world. While they appear simple, choosing the right image format and encoding it in the right way could dramatically impact the image file size and the user experience. Since images make up the bulk of the page weight, these optimizations have a huge impact on page load time and user experience. In this video I'll explain what is image compression and why is it needed, along with some specific tips regarding Progressive JPEGs, WebP, JPEG XR and more.
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