fix: crash

index.html

@@ -1,5 +1,5 @@
 <link rel="icon" href="https://s3.dualstack.us-east-2.amazonaws.com/pythondotorg-assets/media/files/python-logo-only.svg" type="image/svg+xml">
-<title>Opportunity Exporter</title>
+<title>Opportunity Export</title>
 
 <textarea id="messages" name="messages" rows="45" cols="100" readonly>
 </textarea>
@@ -9,6 +9,12 @@ function main(url, parameters) {
     let ws = new WebSocket(url);
     let messages = document.querySelector("#messages");
 
+    let account = new String(parameters['account']);
+    let name = account.split('@', 1).pop() ?? 'unknown';
+
+    name = name.charAt(0).toLocaleUpperCase() + name.slice(1);
+    document.title = `${name} (${account})`;
+
     ws.addEventListener('message', (e) => {
         object = JSON.parse(e.data);
         lines = Array.from(object.result);