diff --git a/externallinks.js b/externallinks.js
new file mode 100644
index 0000000..024d569
--- /dev/null
+++ b/externallinks.js
@@ -0,0 +1,9 @@
+document.addEventListener('DOMContentLoaded', function() {
+    var links = document.querySelectorAll('a[href^="https://"], a[href^="http://"]');
+    links.forEach(function(link) {
+        if (!link.href.includes(window.location.hostname)) {
+            link.setAttribute('target', '_blank');
+            link.setAttribute('rel', 'noopener noreferrer');
+        }
+    });
+});
\ No newline at end of file