Your site is under construction or maintenance? Then say to your visitors that you will Be Right Back! BRB creates a very simple maintenance mode / coming soon page for your site. You can put your logo on it, write a text and link your social media. Also, BRB let you define what kind of user is capable to see the site. You can easily customize the colors of the page â€“ also, you can put HTML, JS or even CSS on it.