Have you ever accidentally closed a tab or your browser? Do you get frustrated trying to remember the site you were just on? Well there is a quick fix for you if you are using Google Chrome.
To reopen a tab you just closed:
If you closed the whole browser:
Open Chrome back up.
You can do this repeatedly if you closed multiple tabs accidentally.
On a similar note, if you want to quickly open a new tab you can either click the blank small tab at the top of your window next to your last open tab, or you can type: ctrl+t