re: #3043, if no address is entered, "http://" won't get automatically saved in

src/user/profile.js

@@ -122,6 +122,7 @@ module.exports = function(User) {
 				} else if (field === 'signature') {
 					data[field] = S(data[field]).stripTags().s;
 				} else if (field === 'website') {
+					if (data[field].length > 0) {
 						var urlObj = url.parse(data[field], false, true);
 						if (!urlObj.protocol) {
 							urlObj.protocol = 'http';
@@ -134,6 +135,8 @@ module.exports = function(User) {
 						if (urlObj.pathname === '/') {
 							urlObj.pathname = null;
 						}
+					}
+
 					data[field] = url.format(urlObj);
 				}