Keyboard shortcut to switch focus from web developer tools to page in Chrome

Question

I use Vimium for Chrome, which allows me to refresh with the r key. When I am using the dev tools I lose focus of the page, and have to click in the page in or

Answer 1

Shamelessly copied from Hugh Lee

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1. Hit F6 or Cmd + L or Ctrl + L and focus the address bar
2. Type javascript: and hit the enter key.

Now you can move focus to the page only with j.

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But javascript: is too long, isn't it? Then follow this.

Go to Chrome Settings page
Click "Manage search engines..." in the Search section
Add a new search engine with
    any name e.g. Back to page
    any keyword e.g. j
    URL - javascript: