My thought exactly. JS devs have told me for years that the fact that their site uses >1Mb of JS script doesn't affect performance because almost all of it is a

My thought exactly. JS devs have told me for years that the fact that their site uses >1Mb of JS script doesn't affect performance because almost all of it is already in the cache for 90% for users. Now there's a counter-argument and we'll get back to reasonable page sizes.