Polar Chart Spider Web demo: preload font for material theme

Author: anna-shakhova

apps/demos/Demos/Charts/SpiderWeb/Angular/index.html

@@ -5,6 +5,8 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" />
+    <link rel="preload" href="https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2" as="font" type="font/woff2" crossorigin>
+    <link rel="preload" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700" as="style" type="text/css">
     <link rel="stylesheet" type="text/css" href="../../../../node_modules/devextreme-dist/css/dx.light.css" />
 
     <script src="../../../../node_modules/core-js/client/shim.min.js"></script>

apps/demos/Demos/Charts/SpiderWeb/React/index.html

@@ -5,6 +5,8 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" />
+    <link rel="preload" href="https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2" as="font" type="font/woff2" crossorigin>
+    <link rel="preload" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700" as="style" type="text/css">
     <link rel="stylesheet" type="text/css" href="../../../../node_modules/devextreme-dist/css/dx.light.css" />
     <link rel="stylesheet" type="text/css" href="styles.css" />
 

apps/demos/Demos/Charts/SpiderWeb/ReactJs/index.html

@@ -14,6 +14,19 @@
       name="viewport"
       content="width=device-width, initial-scale=1.0, maximum-scale=5.0"
     />
+    <link
+      rel="preload"
+      href="https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2"
+      as="font"
+      type="font/woff2"
+      crossorigin
+    />
+    <link
+      rel="preload"
+      href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700"
+      as="style"
+      type="text/css"
+    />
     <link
       rel="stylesheet"
       type="text/css"

apps/demos/Demos/Charts/SpiderWeb/Vue/index.html

@@ -5,6 +5,8 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" />
+    <link rel="preload" href="https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2" as="font" type="font/woff2" crossorigin>
+    <link rel="preload" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700" as="style" type="text/css">
     <link rel="stylesheet" type="text/css" href="../../../../node_modules/devextreme-dist/css/dx.light.css" />
 
     <script src="../../../../node_modules/typescript/lib/typescript.js"></script>

apps/demos/Demos/Charts/SpiderWeb/jQuery/index.html

@@ -6,8 +6,10 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" />
     <script src="../../../../node_modules/jquery/dist/jquery.min.js"></script>
+    <link rel="preload" href="https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2" as="font" type="font/woff2" crossorigin>
+    <link rel="preload" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700" as="style" type="text/css">
     <link rel="stylesheet" type="text/css" href="../../../../node_modules/devextreme-dist/css/dx.light.css" />
-    <script src="../../../../node_modules/devextreme-dist/js/dx.all.js"></script>
+    <script src="../../../../node_modules/devextreme-dist/js/dx.all.debug.js"></script>
     <script src="data.js"></script>
     <link rel="stylesheet" type="text/css" href="styles.css" />
     <script src="index.js"></script>