Truncated URL length; Fixed encoding

detector/index.html

@@ -138,7 +138,8 @@ textbox.oninput = () => {
             update_graph(null);
             return;
         }
-        req.open('GET', window.location.href + '?' + textbox.value, true);
+        const maxCharacters = 16300;
+        req.open('GET', `?${encodeURIComponent(textbox.value)}`.slice(0,maxCharacters), true);
         req.onreadystatechange = () => {
             if (req.readyState !== 4) return;
             if (req.status !== 200) throw new Error("HTTP status: " + req.status);