uglify Transforming Async, Await JS and minifying using Uglify Async and Await makes asynchronous code so much cleaner and nicer to work with. It is widely supported by all the latest versions of modern browsers, including Node v7.6+. See can i use for browser support and node.green for node support. So
babel Reduce your JS payload when using polyfills in Babel Are you importing the babel polyfill like... import 'babel-polyfill'; But only need the odd function like Object.values from ES2017? Then maybe you can reduce the size of your JS bundle by installing those specific polyfills. Importing the whole of babel-polyfill could be adding