Step 2 of #11620; don't load matomo for bots

Author: mekarpeles

openlibrary/templates/site/head.html

@@ -16,10 +16,11 @@
         <meta name="robots" content="noindex">
     <meta name="theme-color" content="#e2dcc5">
 
-
     <link rel="canonical" href="$request.canonical_url" />
-    <link rel="preconnect" href="https://athena.archive.org">
-    <link rel="preconnect" href="https://apollo.archive.org">
+    
+    $if not is_bot():
+        <link rel="preconnect" href="https://athena.archive.org">
+        <link rel="preconnect" href="https://apollo.archive.org">
 
     <link rel="search" type="application/opensearchdescription+xml" title="Open Library" href="/static/opensearch.xml">
     <link rel="manifest" href="/static/manifest.json">
@@ -59,12 +60,14 @@
       </style>
     </noscript>
  <script>
+ $if not is_bot():
    var _mtm = window._mtm = window._mtm || [];
    _mtm.push({'mtm.startTime': (new Date().getTime()), 'event': 'mtm.Start'});
    (function() {
      var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
      g.async=true; g.src='https://apollo.archive.org/js/container_7cLc1b4U.js'; s.parentNode.insertBefore(g,s);
-  })();
+   })();
+
 /* @licstart  The following is the entire license notice for the
  * JavaScript code in this page served from openlibrary.org.
  *
@@ -84,16 +87,16 @@
  * @licend  The above is the entire license notice
  * for the JavaScript code in this page.
  */
-
   </script>
+    
     $if "dev" in ctx.features:
         <link href="$static_url('build/css/page-dev.css')" rel="stylesheet" type="text/css"/>
 
     <meta name="google-site-verification" content="KrqcZD4l5BLNVyjzSi2sjZBiwgmkJ1W7n6w7ThD7A74" />
     <meta name="google-site-verification" content="vtXGm8q3UgP-f6qXTvQBo85uh3nmIYIotVqqdJDpyz4" />
-    <!-- Drini, Google Search Console -->
+    <!-- Google Search Console -->
     <meta name="google-site-verification" content="XYOJ9Uj0MBr6wk7kj1IkttXrqY-bbRstFMADTfEt354" />
-    <!-- Drini, Bing Webmaster Tools -->
+    <!-- Bing Webmaster Tools -->
     <meta name="msvalidate.01" content="8BEBECBEF537077737975A49D55B857D" />
 
 $putctx("sent_head", True)