During development phase you can use this plugin instead of showing \”Under Construction\” page. This plugin will redirect all visitors to a specified url and allow developers or admin to login via wp-admin panel. Advantages of using this plugin from Under Construction Plugin 1> Your old site is still accessible when your new site is in construction state 2> Admin or developer can login using site-url/wp-login.php 3> Easy to configure 4> Can even redirect to external urls