<!DOCTYPE html>
<html ng-app="app" lang="en" class="layout--app">

 <head ng-controller="HeadCtrl">
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title >pal-pal</title>
  <link rel="stylesheet" type="text/css" href="lib.css">
  <link rel="stylesheet" type="text/css" href="app.css">
 </head>

 <body ng-controller="PageCtrl">
   
  <!-- App router views go here -->
  <div class="app layout--flex-column" ng-view>
   
  </div> <!--.app-->
  
  <script src="lib.js" type="text/javascript"></script>
  <script src="app.js" type="text/javascript"></script>
  
  <!-- Include sidebar template -->
  <ng-include src="'icons/icons.svg'"></ng-include>
  
 </body>

</html>

<!DOCTYPE html>
<html ng-app="app" lang="en" class="layout--app">

 <head ng-controller="PageCtrl">
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title >pal-pal</title>
  <link rel="stylesheet" type="text/css" href="lib-min.css">
  <link rel="stylesheet" type="text/css" href="app-min.css">
 </head>

 <body ng-controller="PageCtrl">
   
  <!-- App router views go here -->
  <div class="app layout--flex-column" ng-view>
   
  </div> <!--.app-->
  
  <script src="lib-min.js" type="text/javascript"></script>
  <script src="app.js" type="text/javascript"></script>
  
  <!-- Include sidebar template -->
  <ng-include src="'icons/icons.svg'"></ng-include>
  
 </body>

</html>

Replace use of resources with minified versions
Replace use of resources with minified versions