Test: Retina images


320×320px, quality 80, 50,468 bytes


640×640px, quality 60, 99,023 bytes


640×640px, quality 40, 59,739 bytes


640×640px, quality 20, 42,626 bytes


320×320px, quality 80, 48,447 bytes


640×640px, quality 60, 86,214 bytes


640×640px, quality 40, 52,014 bytes


640×640px, quality 20, 37,655 bytes