Score by platform
Same weighted 0-100 audit as every domain page — parity across five AI crawlers, readability without JavaScript, robots.txt, structured facts, discoverability — averaged per e-commerce platform. This comparison does not exist anywhere else in public.
Look up a store
If it is already in the index you get its full per-crawler breakdown. For the deeper question — can an agent actually find a product, read its price and reach checkout — see Storefront, which walks the full purchase chain on one store at a time.