If the photo must live online, WebP is 2026 newsprint: handsome enough, truly thin.
Compare the preview. If skin breaks, raise the stock or stay on the original JPG.
A grid of twelve portraits on a homepage should not ship twelve full JPEGs. Develop WebP, keep the JPEG as the master. The print shop still wants the JPEG.
Guest flow: leave the sheet, watch the plate, download. For history and Studio stock, open an account — after, not before.