Optimizing image size with compressing saves up to ≈50% without visual quality loss.
Works with jpeg and webp images (the formats support setting quality levels). With Uploadcare, you use quality presets. Use lightest (≈50% file size) for retina resolutions, when you don’t have to worry about the quality of individual pixels and lighter (≈80% file size) for every other occasion.
Read more about image compression here .