Preloading Fallback font for slower connections (#4415)

Author: arjunjayan999

index.html

@@ -69,6 +69,7 @@
         <meta id="theme-color" name="theme-color" content="#2196F3" />
 
         <link type="text/css" href="fonts/material-icons.css" rel="stylesheet"/>
+        <link rel="preload" href="/fonts/material-icons.woff2" as="font" type="font/woff2" crossorigin="anonymous">
         <link rel="stylesheet" href="lib/materialize-iso.css" />
         <link rel="stylesheet" href="css/themes.css" />
 

planet/index.html

@@ -7,7 +7,8 @@
         <link type="text/css" href="fonts/material-icons.css" rel="stylesheet">
         <!--Import materialize.css-->
         <link type="text/css" rel="stylesheet" href="libs/materialize.min.css" media="screen,projection"/>
-
+        
+        <link rel="preload" href="./fonts/material-icons.woff2" as="font" type="font/woff2" crossorigin="anonymous">
         <!-- Import clipboard.js -->
         <script src="libs/clipboard.min.js"></script>