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Page shortcuts:
CTRL + R = F5 page reloads
CTRL + F5 or Shift + F5 to reload the page, ignoring cached content
CTRL + U open page source
Tab and window shortcuts
CTRL + 1 to 8 Switch to the specified number of tab
CTRL + 9 to switch to the last tab
Function shortcut keys
CTRL + J to switch to the Download Manager
Address bar shortcuts
CTRL + K will "?" In the address bar. Enter a search term after the question mark using your default search engine to perform a search.
Ctrl + L Highlights the URL