The ‘about’ command is a unique command in the sense that it is supported across all browsers alike. Performing the ‘about:blank’ command in all browsers, be it Chrome, Safari or Firefox, will display a totally blank page. A lot of people use the ‘about:blank’ page as their homepage. If you haven’t seen the ‘about:blank’ page, then you can have a look at it right now. Just type the words ‘about:blank’ in the address bar of your web browser and hit Enter.