Kornel Lesiński (@pornelski). Web developer since “best viewed in AWeb in 640×256.” Creator of ImageOptim. London Standardista. Mozilla has done a study of image formats and concluded that WebP and JPEG XR are not a big-enough improvement over well-optimized JPEG. In the study only HEVC (H.265) was significantly better, but it’s a patent-encumbered format, so it can’t be used freely (shhhh!) It se
![MozJPEG 3.0](https://cdn-ak-scissors.b.st-hatena.com/image/square/4c066d5d49860a9cee041b8851db1956d8f18997/height=288;version=1;width=512/https%3A%2F%2Fcalendar.perfplanet.com%2Fwp-content%2Fuploads%2F2014%2F12%2Fkornel%2Fkodim21-imagemagick.jpg)