diff -ru tree/index.html mod/index.html
--- tree/index.html	2026-04-08 01:33:21.000000000 -0300
+++ mod/index.html	2026-11-02 20:11:13.647286102 -0300
@@ -4,6 +4,7 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
     <meta name="theme-color" content="#0d1420" />
+    <meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self' data:; connect-src 'self'; form-action 'none'; base-uri 'none'" />
     <link rel="icon" href="/favicon.ico" sizes="any" />
     <link rel="icon" type="image/png" href="/favicon.png" />
     <title>Word Tracer</title>
diff -ru tree/src/app-shell.html mod/src/app-shell.html
--- tree/src/app-shell.html	2026-04-08 01:33:21.000000000 -0300
+++ mod/src/app-shell.html	2026-11-02 20:11:13.647567775 -0300
@@ -137,7 +137,7 @@
         <hr class="settings-separator" />
         <p class="settings-about">
           Word Tracer v<span id="app-version"></span><br />
-          <a href="https://github.com/plhosk/wordtracer" target="_blank" rel="noopener noreferrer">https://github.com/plhosk/wordtracer</a>
+          github.com/plhosk/wordtracer
         </p>
       </div>
     </div>