leaks file structure into the bundle file plugins: [ new webpack.NamedModulesPlugin() ] HashedModulesPlugin • Similar to the NamedModulesPlugin, but creates hash of name for id. • No longer leak file file structure • But: increase bundle size plugins: [ new webpack.HashedModulesPlugin() ] DllPlugin • Creates a bundle which exposes modules to other bundles. • Use modules from Dll bundle with DllReferencePlugin