anchor.diff:    1. Configure the server to redirect requests for missing files to `index.html`.
     [More on this below](#fallback).
   
  -  1. Enable production mode as [described below](#enableprodmode) (optional).
  +  1. Enable production mode as [described below](#enable-prod-mode) (optional).
   
     That's the simplest deployment you can do.
   
  
positive.code:   When the `base` tag is misconfigured, the app fails to load and the browser console displays `404 - Not Found` errors
    for the missing files. Look at where it _tried_ to find those files and adjust the base tag appropriately.
  
  a#enableProdMode
  :marked
    ### Enable production mode
  
  
negative.code:     * [Measure performance first](#measure)
    * [Angular configuration](#angular-configuration)
      * [The `base` tag](#base-tag)
      * [Enable production mode](#enable-prod-mode)
      * [Lazy loading](#lazy-loading)
    * [Server configuration](#server-configuration)
      * [Routed apps must fallback to `index.html`](#fallback)  
  