diff --git a/customize.dist/src/less2/include/sidebar-layout.less b/customize.dist/src/less2/include/sidebar-layout.less
index 33950434c..73761a976 100644
--- a/customize.dist/src/less2/include/sidebar-layout.less
+++ b/customize.dist/src/less2/include/sidebar-layout.less
@@ -220,6 +220,9 @@
                             border-top-right-radius: 0px;
                             border-bottom-right-radius: 0px;
                         }
+                        input:invalid {
+                            border-color: red;
+                        }
                         button {
                             border-top-left-radius: 0px;
                             border-bottom-left-radius: 0px;
diff --git a/www/profile/inner.js b/www/profile/inner.js
index cc463e417..ab71077d1 100644
--- a/www/profile/inner.js
+++ b/www/profile/inner.js
@@ -150,16 +150,18 @@ define([
             common.openUnsafeURL(href);
         });
 
-        APP.$linkEdit = $();
     };
     var refreshLink = function (data) {
-        APP.$linkEdit.removeClass('fa-pencil').removeClass('fa');
         if (!data.url) {
-            APP.$linkEdit.text(Messages.profile_addLink);
+            return void APP.$link.hide();
+        }
+        // Only show valid URLs
+        try {
+            new URL(data.url);
+        } catch (e) {
             return void APP.$link.hide();
         }
         APP.$link.attr('href', data.url).text(data.url).show();
-        APP.$linkEdit.text('').addClass('fa fa-pencil');
     };
 
     var addFriendRequest = function ($container) {
diff --git a/www/settings/inner.js b/www/settings/inner.js
index 8b5531f4f..5b662be6d 100644
--- a/www/settings/inner.js
+++ b/www/settings/inner.js
@@ -1869,7 +1869,9 @@ define([
     makeBlock('profile-link', function(cb) {
         if (!common.isLoggedIn()) { return cb(false); }
 
-        const input = APP.blocks.input();
+        const input = APP.blocks.input({
+            type: 'url'
+        });
         const button = APP.blocks.button('primary', '',
                         Messages.settings_save);
         const inputButton = APP.blocks.inputButton(input, button, {
@@ -1881,7 +1883,8 @@ define([
         const $input = $(input).val(APP.profileData?.url || '');
 
         Util.onClickEnter($(button), () => {
-            const value = $(input).val();
+            if ($input.is(':invalid')) { return; }
+            const value = $input.val();
             APP.profile.execCommand('SET', {
                 key: 'url',
                 value