Transcode a bunch of different-looking PNGs to a WebP losslessly, each pixel preserved exactly, and you'll see a byte savings in the neighborhood of 30%. Go lossy and much more savings, with the option of alpha transparency on lossy if you're into that.
It's not just efficiency, it's versatility that these formats bring to the table. Though the efficiency is compelling.
Transcode a bunch of different-looking PNGs to a WebP losslessly, each pixel preserved exactly, and you'll see a byte savings in the neighborhood of 30%. Go lossy and much more savings, with the option of alpha transparency on lossy if you're into that.
It's not just efficiency, it's versatility that these formats bring to the table. Though the efficiency is compelling.