diff --git a/sitemap.html b/sitemap.html
index 043a580..57e6d0b 100644
--- a/sitemap.html
+++ b/sitemap.html
@@ -59,6 +59,7 @@
         <li><a href="index.html">Home</a> - FEDL Hub and overview</li>
         <li><a href="lists.html">Rankings</a> - Browse the complete ranked demon list</li>
         <li><a href="rules.html">Rules</a> - Submission rules and guidelines</li>
+        <li><a href="contact.html">Contact</a> - Get in touch with us</li>
       </ul>
     </section>
 
@@ -72,10 +73,20 @@
     </section>
 
     <section class="sitemap-section">
-      <h2>Submissions</h2>
+      <h2>User Account</h2>
+      <ul>
+        <li><a href="login.html">Login</a> - Sign in to your account</li>
+        <li><a href="signup.html">Sign Up</a> - Create a new account</li>
+      </ul>
+    </section>
+
+    <section class="sitemap-section">
+      <h2>Submissions & Communication</h2>
       <ul>
         <li><a href="run.html">Submit Run</a> - Submit your demon completions</li>
         <li><a href="admelist.html">Admin</a> - List management tools</li>
+        <li><a href="messages.html">Messages</a> - View and send messages</li>
+        <li><a href="post.html">Post</a> - Create and view posts</li>
       </ul>
     </section>
 
@@ -83,12 +94,28 @@
       <h2>Additional Resources</h2>
       <ul>
         <li><a href="README.md">About FEDL</a> - Learn more about the project</li>
+        <li><a href="errors.html">Error Reference</a> - Common error pages and solutions</li>
+        <li><a href="offlineindex.html">Offline Index</a> - Browse content offline</li>
+        <li><a href="sitemap.html">Sitemap</a> - This page</li>
         <li><a href="https://github.com/your-repo">GitHub Repository</a> - View the source code</li>
       </ul>
     </section>
 
+    <section class="sitemap-section">
+      <h2>Error Pages</h2>
+      <ul>
+        <li><a href="401.html">401 Unauthorized</a> - Authentication required</li>
+        <li><a href="403.html">403 Forbidden</a> - Access denied</li>
+        <li><a href="404.html">404 Not Found</a> - Page not found</li>
+        <li><a href="429.html">429 Too Many Requests</a> - Rate limit exceeded</li>
+        <li><a href="500.html">500 Internal Server Error</a> - Server error</li>
+        <li><a href="502.html">502 Bad Gateway</a> - Gateway error</li>
+        <li><a href="503.html">503 Service Unavailable</a> - Service temporarily unavailable</li>
+      </ul>
+    </section>
+
     <hr style="margin: 2rem 0; opacity: 0.3;">
-    <p style="font-size: 0.9rem; color: #999;">Last updated: April 2, 2026</p>
+    <p style="font-size: 0.9rem; color: #999;">Last updated: April 8, 2026</p>
   </main>
 </body>
 </html>
diff --git a/sitemap.xml b/sitemap.xml
index 751db87..1dfa14a 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -2,44 +2,140 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
     <loc>https://fedl.site/</loc>
-    <lastmod>2026-04-02</lastmod>
+    <lastmod>2026-04-08</lastmod>
     <priority>1.0</priority>
     <changefreq>weekly</changefreq>
   </url>
   <url>
     <loc>https://fedl.site/lists.html</loc>
-    <lastmod>2026-04-02</lastmod>
+    <lastmod>2026-04-08</lastmod>
     <priority>0.95</priority>
     <changefreq>daily</changefreq>
   </url>
+  <url>
+    <loc>https://fedl.site/run.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.85</priority>
+    <changefreq>weekly</changefreq>
+  </url>
   <url>
     <loc>https://fedl.site/guess.html</loc>
-    <lastmod>2026-04-02</lastmod>
+    <lastmod>2026-04-08</lastmod>
     <priority>0.8</priority>
     <changefreq>weekly</changefreq>
   </url>
   <url>
     <loc>https://fedl.site/players.html</loc>
-    <lastmod>2026-04-02</lastmod>
+    <lastmod>2026-04-08</lastmod>
     <priority>0.8</priority>
     <changefreq>weekly</changefreq>
   </url>
-  <url>
-    <loc>https://fedl.site/run.html</loc>
-    <lastmod>2026-04-02</lastmod>
-    <priority>0.85</priority>
-    <changefreq>weekly</changefreq>
-  </url>
   <url>
     <loc>https://fedl.site/rules.html</loc>
-    <lastmod>2026-04-02</lastmod>
+    <lastmod>2026-04-08</lastmod>
     <priority>0.8</priority>
     <changefreq>monthly</changefreq>
   </url>
   <url>
     <loc>https://fedl.site/roulette.html</loc>
-    <lastmod>2026-04-02</lastmod>
+    <lastmod>2026-04-08</lastmod>
     <priority>0.75</priority>
     <changefreq>weekly</changefreq>
   </url>
+  <url>
+    <loc>https://fedl.site/contact.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.7</priority>
+    <changefreq>monthly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/login.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.7</priority>
+    <changefreq>monthly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/signup.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.7</priority>
+    <changefreq>monthly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/messages.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.7</priority>
+    <changefreq>weekly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/post.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.7</priority>
+    <changefreq>weekly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/admelist.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.7</priority>
+    <changefreq>weekly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/errors.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.6</priority>
+    <changefreq>monthly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/offlineindex.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.6</priority>
+    <changefreq>monthly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/sitemap.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.6</priority>
+    <changefreq>monthly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/401.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.3</priority>
+    <changefreq>yearly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/403.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.3</priority>
+    <changefreq>yearly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/404.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.3</priority>
+    <changefreq>yearly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/429.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.3</priority>
+    <changefreq>yearly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/500.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.3</priority>
+    <changefreq>yearly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/502.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.3</priority>
+    <changefreq>yearly</changefreq>
+  </url>
+  <url>
+    <loc>https://fedl.site/503.html</loc>
+    <lastmod>2026-04-08</lastmod>
+    <priority>0.3</priority>
+    <changefreq>yearly</changefreq>
+  </url>
 </urlset>