by the largest declared size it can read — * width×height attributes, else the widest srcset candidate — boosted by * the author's own priority signals (fetchpriority="high", an explicit * loading="eager") and lightly weighted by document position, and emits * a for the top N * in the , carrying srcset/sizes as imagesrcset/imagesizes so the * browser can pick the right candidate — then adds fetchpriority="high" * to the itself. Ranking by size rather than document position: * the first images on a real page are usually header chrome, not the * hero (#96). Images inside