https://cloudinary.com/blog/jpeg-xl-and-the-pareto-front
Куча графиков сравнений с JPEG, AVIF, WebP. Короче говоря:
This consolidates JPEG XL’s position as the best image codec
currently available, for both lossless and lossy compression, across
the quality range but in particular for high quality to visually
lossless quality. It is Pareto-optimal across a wide range of speed
settings.