Merge pull request #24009 from dvdksn/favicon

site: add standard favicon formats for search engine compatibility

Author: dvdksn

layouts/_default/api.html

@@ -8,7 +8,10 @@
   <meta name="description" content="{{ .Description }}" />
   <meta charset="utf-8" />
   <!-- favicon -->
-  <link rel="shortcut icon" href="/assets/images/favicon.svg" type="image/svg">
+  <link rel="icon" href="/assets/images/favicon-32x32.png" sizes="32x32" />
+  <link rel="icon" href="/assets/images/favicon-192x192.png" sizes="192x192" />
+  <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
+  <link rel="shortcut icon" href="/favicon.ico">
   <!--
   Provide a link to the swagger / OpenAPI spec itself. We're currently using
   Swagger (OpenAPI v2) for some, so use a more generic "application/yaml" type.

layouts/partials/meta.html

@@ -17,7 +17,10 @@
 <link rel="canonical" href="{{ .Permalink }}" />
 
 <!-- favicon -->
-<link rel="shortcut icon" href="/assets/images/favicon.svg" type="image/svg">
+<link rel="icon" href="/assets/images/favicon-32x32.png" sizes="32x32" />
+<link rel="icon" href="/assets/images/favicon-192x192.png" sizes="192x192" />
+<link rel="apple-touch-icon" href="/apple-touch-icon.png" />
+<link rel="shortcut icon" href="/favicon.ico">
 <meta name="theme-color" content="#2496ed" />
 
 <!-- SEO -->