diff --git a/404.html b/404.html
new file mode 100644
index 0000000..af99ff1
--- /dev/null
+++ b/404.html
@@ -0,0 +1,207 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <title>Page Not Found | SampSharp</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="title" content="Page Not Found | SampSharp " />
+
+    <link rel="icon" href="/assets/sampsharp.png" />
+    <link rel="stylesheet" href="/public/docfx.min.css" />
+    <link rel="stylesheet" href="/public/main.css" />
+    <meta name="docfx:navrel" content="/toc.html" />
+    <meta name="docfx:tocrel" content="/toc.html" />
+
+    <meta name="docfx:rel" content="" />
+
+    <meta
+      name="docfx:docurl"
+      content="https://github.com/sampsharp/docs/blob/main/404.md/#L1"
+    />
+    <meta name="loc:inThisArticle" content="In this article" />
+    <meta
+      name="loc:searchResultsCount"
+      content='{count} results for "{query}"'
+    />
+    <meta name="loc:searchNoResults" content='No results for "{query}"' />
+    <meta name="loc:tocFilter" content="Filter by title" />
+    <meta name="loc:nextArticle" content="Next" />
+    <meta name="loc:prevArticle" content="Previous" />
+    <meta name="loc:themeLight" content="Light" />
+    <meta name="loc:themeDark" content="Dark" />
+    <meta name="loc:themeAuto" content="Auto" />
+    <meta name="loc:changeTheme" content="Change theme" />
+    <meta name="loc:copy" content="Copy" />
+    <meta name="loc:downloadPdf" content="Download PDF" />
+
+    <script type="module" src="/public/docfx.min.js"></script>
+
+    <script>
+      const theme = localStorage.getItem("theme") || "auto";
+      document.documentElement.setAttribute(
+        "data-bs-theme",
+        theme === "auto"
+          ? window.matchMedia("(prefers-color-scheme: dark)").matches
+            ? "dark"
+            : "light"
+          : theme,
+      );
+    </script>
+  </head>
+
+  <body class="tex2jax_ignore" data-layout="" data-yaml-mime="">
+    <header class="bg-body border-bottom">
+      <nav id="autocollapse" class="navbar navbar-expand-md" role="navigation">
+        <div class="container-xxl flex-nowrap">
+          <a class="navbar-brand" href="/index.html">
+            <img
+              id="logo"
+              class="svg"
+              src="/assets/sampsharp.png"
+              alt="SampSharp"
+            />
+            SampSharp
+          </a>
+          <button
+            class="btn btn-lg d-md-none border-0"
+            type="button"
+            data-bs-toggle="collapse"
+            data-bs-target="#navpanel"
+            aria-controls="navpanel"
+            aria-expanded="false"
+            aria-label="Toggle navigation"
+          >
+            <i class="bi bi-three-dots"></i>
+          </button>
+          <div class="collapse navbar-collapse" id="navpanel">
+            <div id="navbar">
+              <form class="search" role="search" id="search">
+                <i class="bi bi-search"></i>
+                <input
+                  class="form-control"
+                  id="search-query"
+                  type="search"
+                  disabled
+                  placeholder="Search"
+                  autocomplete="off"
+                  aria-label="Search"
+                />
+              </form>
+            </div>
+          </div>
+        </div>
+      </nav>
+    </header>
+
+    <main class="container-xxl">
+      <div class="content">
+        <div class="actionbar">
+          <nav id="breadcrumb"></nav>
+        </div>
+
+        <article data-uid="">
+          <style>
+            .page-container {
+              max-width: 900px;
+              margin: 0 auto;
+              padding: 0 20px;
+              text-align: center;
+            }
+
+            .error-container {
+              padding: 60px 20px;
+            }
+
+            .error-code {
+              font-size: 120px;
+              font-weight: bold;
+              color: #0078d4;
+              margin: 0;
+              line-height: 1;
+            }
+
+            .error-message {
+              font-size: 28px;
+              color: var(--bs-body-color, #333);
+              margin: 20px 0;
+            }
+
+            .error-description {
+              font-size: 16px;
+              color: var(--bs-body-color, #666);
+              margin: 20px 0 40px 0;
+              opacity: 0.8;
+            }
+
+            .error-links {
+              display: flex;
+              gap: 20px;
+              justify-content: center;
+              flex-wrap: wrap;
+            }
+
+            .error-link {
+              display: inline-block;
+              padding: 12px 24px;
+              background-color: #0078d4;
+              color: white;
+              text-decoration: none;
+              border-radius: 6px;
+              transition: all 0.3s ease;
+            }
+
+            .error-link:hover {
+              background-color: #005a9e;
+              transform: translateY(-2px);
+            }
+
+            .error-link.secondary {
+              background-color: var(--bs-body-bg, #f3f3f3);
+              color: #0078d4;
+              border: 2px solid #0078d4;
+            }
+
+            .error-link.secondary:hover {
+              background-color: #0078d4;
+              color: white;
+            }
+          </style>
+          <div class="page-container">
+            <div class="error-container">
+              <h1 id="404"><p class="error-code">404</p></h1>
+              <p class="error-message">Page Not Found</p>
+              <p class="error-description">
+                Sorry, we couldn't find the page you're looking for. It may have
+                been moved or no longer exists.
+              </p>
+              <div class="error-links">
+                <a href="/" class="error-link">Back to Home</a>
+                <a href="/docs/" class="error-link secondary">Documentation</a>
+                <a href="/api/" class="error-link secondary">API Reference</a>
+              </div>
+            </div>
+          </div>
+        </article>
+
+        <div
+          class="next-article d-print-none border-top"
+          id="nextArticle"
+        ></div>
+      </div>
+
+      <div class="affix">
+        <nav id="affix"></nav>
+      </div>
+    </main>
+
+    <div class="container-xxl search-results" id="search-results"></div>
+
+    <footer class="border-top text-secondary">
+      <div class="container-xxl">
+        <div class="flex-fill">
+          SampSharp - Copyright © 2015 - 2026 Tim Potze
+        </div>
+      </div>
+    </footer>
+  </body>
+</html>
diff --git a/404.md b/404.md
deleted file mode 100644
index 3bddf45..0000000
--- a/404.md
+++ /dev/null
@@ -1,92 +0,0 @@
----
-title: Page Not Found
-_disableContribution: true
-_disableAfaf: true
----
-
-<style>
-  .page-container {
-    max-width: 900px;
-    margin: 0 auto;
-    padding: 0 20px;
-    text-align: center;
-  }
-  
-  .error-container {
-    padding: 60px 20px;
-  }
-  
-  .error-code {
-    font-size: 120px;
-    font-weight: bold;
-    color: #0078d4;
-    margin: 0;
-    line-height: 1;
-  }
-  
-  .error-message {
-    font-size: 28px;
-    color: var(--bs-body-color, #333);
-    margin: 20px 0;
-  }
-  
-  .error-description {
-    font-size: 16px;
-    color: var(--bs-body-color, #666);
-    margin: 20px 0 40px 0;
-    opacity: 0.8;
-  }
-  
-  .error-links {
-    display: flex;
-    gap: 20px;
-    justify-content: center;
-    flex-wrap: wrap;
-  }
-  
-  .error-link {
-    display: inline-block;
-    padding: 12px 24px;
-    background-color: #0078d4;
-    color: white;
-    text-decoration: none;
-    border-radius: 6px;
-    transition: all 0.3s ease;
-  }
-  
-  .error-link:hover {
-    background-color: #005a9e;
-    transform: translateY(-2px);
-  }
-  
-  .error-link.secondary {
-    background-color: var(--bs-body-bg, #f3f3f3);
-    color: #0078d4;
-    border: 2px solid #0078d4;
-  }
-  
-  .error-link.secondary:hover {
-    background-color: #0078d4;
-    color: white;
-  }
-</style>
-
-<div class="page-container">
-
-<div class="error-container">
-
-# <p class="error-code">404</p>
-
-<p class="error-message">Page Not Found</p>
-
-<p class="error-description">Sorry, we couldn't find the page you're looking for. It may have been moved or no longer exists.</p>
-
-<div class="error-links">
-  <a href="/" class="error-link">Back to Home</a>
-  <a href="/docs/" class="error-link secondary">Documentation</a>
-  <a href="/api/" class="error-link secondary">API Reference</a>
-</div>
-
-</div>
-
-</div>
diff --git a/docfx.json b/docfx.json
index dc3b75e..6340e1a 100644
--- a/docfx.json
+++ b/docfx.json
@@ -24,7 +24,7 @@
     ],
     "resource": [
       {
-        "files": ["docs/**/images/**", "assets/**"]
+        "files": ["docs/**/images/**", "assets/**", "404.html"]
       }
     ],
     "fileMetadata": {
@@ -32,6 +32,11 @@
         "docs/legacy/**": true
       }
     },
+    "sitemap": {
+      "baseUrl": "https://sampsharp.net",
+      "priority": 0.5,
+      "changefreq": "weekly"
+    },
     "globalMetadata": {
       "_appTitle": "SampSharp",
       "_appName": "SampSharp",
@@ -39,6 +44,7 @@
       "_appFaviconPath": "assets/sampsharp.png",
       "_appFooter": "SampSharp - Copyright © 2015 - 2026 Tim Potze",
       "_enableSearch": true,
+      "_rel": "/",
       "pdf": false,
       "_gitContribute": {
         "repo": "https://github.com/sampsharp/docs",
diff --git a/sampsharp-src b/sampsharp-src
index b826511..e626daa 160000
--- a/sampsharp-src
+++ b/sampsharp-src
@@ -1 +1 @@
-Subproject commit b826511cf6bcd744ca0630d1c37082abaf8a91f8
+Subproject commit e626daa05f04809480e641ccb18412850e398a96
