PersistJS is 12kb minified. store.js is 4kb unminified
PersistJS falls back on flash and cookies, which is bad (flash slows down browser during page loading, cookies fatten your network requests). Store.js uses localStorage, globalStorage and IE behaviors which do not have those negative side effects.
PersistJS falls back on flash and cookies, which is bad (flash slows down browser during page loading, cookies fatten your network requests). Store.js uses localStorage, globalStorage and IE behaviors which do not have those negative side effects.