It's often cited that the biggest drag on WordPress page speed isn't code at all — it's images. The same-looking photo can end up dramatically smaller in file size depending on whether it stays as JPEG/PNG or gets converted to WebP. This post looks at why WebP tends to be lighter, how browsers negotiate which format to load, and how WordPress itself has adopted the format over time. Why WebP Is Smaller: A Different Compression Approach JPEG, standardized back in 1992, is built on...