ShortPixel vs Imagify vs Smush: Credits, Quotas, and What Each Free Plan Covers
ShortPixel bills a credit for every image and thumbnail it shrinks by at least 5 percent, Imagify bills megabytes of images per month, and Smush sets no volume meter but reserves full-size compression, WebP and AVIF serving, and its CDN for Pro. Choosing between them is mostly a question of which meter matches your library.