Interchanging between using a mouse and keyboard can be a tedious affair. Here are some shortcuts that may be common to some but perhaps useful to others:

Space this will scroll down the page

Shift + Space will take you back the page

Controlling the browser

Backspace go back in the browser

F5 will refresh/reload the page Ctrl + F5 for hard refresh

alt + D will set focus to address bar

Controlling the tabs

Ctrl + T open a new tab

Ctrl + Tab will switch you to next tab

Ctrl + Shift + Tab will switch to your previous tab

Ctrl + 1 can switch to different tabs (1..9)

Ctrl + W will close your current tab

If you are using chrome check out ‘Keyboard Navigation’ extension

Ctrl and click the links to open in a new tab!