Meanwhile, there are 2.8 MB of images in the article with the header image alone being a 1.6 MB JPEG (!). They can be reduced by at least 50%, given that the de

Meanwhile, there are 2.8 MB of images in the article with the header image alone being a 1.6 MB JPEG (!). They can be reduced by at least 50%, given that the deringing filter works fine on contrast text/charts. Even more, the optimal format for this type of images is PNG not JPEG. After the conversion and optimization, they take 889 KB [1], >3 times smaller, and doing the same on properly resized originals without JPEG artifacts can bring them down to 100-200 KB. [1] https://github.com/vmdanilov/optimage/files/1898955/images.zip https://github.com/vmdanilov/optimage/files/1898955/images.z...