diff --git a/index.html b/index.html
index a2bb27b..9908420 100644
--- a/index.html
+++ b/index.html
@@ -1,29 +1,39 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width">
+    <meta name="description" content="A simple web-app to generate bcrypt and SHA512-crypt hashes">
     <title>Password Hash Self-Service</title>
     <link rel="stylesheet" href="style.css">
+    <link rel="preload" href="backend/pkg/password_hash_self_service_backend.js" as="script" crossOrigin="anonymous">
   </head>
   <body>
     <div class="container">
       <h1>Password Hash Self-Service</h1>
 
       <form id="hash-setup" autocomplete="off">
-        <label for="password">Password</label>
-        <input name="password" type="password"></input><br>
+        <label for="password">
+          Password
+          <input name="password" type="password"></input><br>
+        </label>
 
-        <label for="hash-type">Hash Type</label>
-        <input name="hash-type" type="radio" value="bcrypt" checked>bcrypt</input>
-        <input name="hash-type" type="radio" value="sha512crypt">SHA512-crypt</input><br>
+        <label for="hash-type">
+          Hash Type
+          <input name="hash-type" type="radio" value="bcrypt" checked>bcrypt</input>
+          <input name="hash-type" type="radio" value="sha512crypt">SHA512-crypt</input><br>
+        </label>
 
         <details>
           <summary>Advanced options</summary>
-          <label for="bcrypt-cost">bcrpyt cost factor</label>
-          <input name="bcrypt-cost" type="number" value="12" min="4" max="31"></input><br>
-          <label for="sha512crypt-rounds">SHA512-crypt rounds</label>
-          <input name="sha512crypt-rounds" type="number" value="100000" min="1000" max="999999999"></input><br>
+          <label for="bcrypt-cost">
+            bcrpyt cost factor
+            <input name="bcrypt-cost" type="number" value="12" min="4" max="31"></input><br>
+          </label>
+          <label for="sha512crypt-rounds">
+            SHA512-crypt rounds
+            <input name="sha512crypt-rounds" type="number" value="100000" min="1000" max="999999999"></input><br>
+          </label>
         </details>
 
         <button type="button" id="generate">Generate</button>
