If you are using Opera browser than you can browse a lot faster using the keyboard, and this page gives you an overview of the available keyboard shortcuts.
CTRL+O: Open a file using Opera.
CTRL+S: Save a copy of the current page.
CTRL+SHIFT+P: Toggle Print Preview.
CTRL+P: Print the current page.
CTRL+Q: Shut down Opera.
CTRL+T: Open a new tab.
CTRL+W: Close the current tab.
CTRL+TAB: Move between active tabs.
SHIFT+SPACE BAR: Scroll one screen up.
PAGE UP: Scroll one screen up.
SPACE BAR: Scroll one screen down.
PAGE DOWN: Scroll one screen down.
CTRL+PAGE UP: Scroll one screen to the left.
CTRL+PAGE DOWN: Scroll one screen to the right.
HOME: Scroll to the top of the current document.
END: Scroll to the bottom of the current document.
CTRL+LEFT ARROW: Move to the previous page in your browsing history.
ALT+LEFT ARROW: Move to the previous page in your browsing history.
CTRL+RIGHT ARROW: Move to the next page in your browsing history.
ALT+RIGHT ARROW: Move to the next page in your browsing history.
F5: Reload the current page.
CTRL+R: Reload the current page.
CTRL+F: Find specified text in the current page.
CTRL+G: Find next instance of specified text in the current page.
CTRL+SHIFT+G: Find previous instance of specified text in the current page.
COMMA: Find specified text within links on the current page.
CTRL+PLUS: Zoom in on the current page by 10%.
PLUS: Zoom in on the current page by 10%.
CTRL+MINUS: Zoom out on the current page by 10%.
MINUS: Zoom out on the current page by 10%.
CTRL+0 (Zero): Restore zoom display on the current page to 100%.
F11: Use the entire screen for viewing the current page.
SHIFT+UP ARROW: Proceed to the next link up on the page.
SHIFT+DOWN ARROW: Proceed to the next link down on the page.
SHIFT+LEFT ARROW: Proceed to the next link to the left on the page.
SHIFT+RIGHT ARROW: Proceed to the next link to the right on the page.
ENTER: Activate the link that is currently selected.
SHIFT+ENTER: Activate the link that is currently selected in a new tab.
CTRL+O: Open a file using Opera.
CTRL+S: Save a copy of the current page.
CTRL+SHIFT+P: Toggle Print Preview.
CTRL+P: Print the current page.
CTRL+Q: Shut down Opera.
CTRL+T: Open a new tab.
CTRL+W: Close the current tab.
CTRL+TAB: Move between active tabs.
SHIFT+SPACE BAR: Scroll one screen up.
PAGE UP: Scroll one screen up.
SPACE BAR: Scroll one screen down.
PAGE DOWN: Scroll one screen down.
CTRL+PAGE UP: Scroll one screen to the left.
CTRL+PAGE DOWN: Scroll one screen to the right.
HOME: Scroll to the top of the current document.
END: Scroll to the bottom of the current document.
CTRL+LEFT ARROW: Move to the previous page in your browsing history.
ALT+LEFT ARROW: Move to the previous page in your browsing history.
CTRL+RIGHT ARROW: Move to the next page in your browsing history.
ALT+RIGHT ARROW: Move to the next page in your browsing history.
F5: Reload the current page.
CTRL+R: Reload the current page.
CTRL+F: Find specified text in the current page.
CTRL+G: Find next instance of specified text in the current page.
CTRL+SHIFT+G: Find previous instance of specified text in the current page.
COMMA: Find specified text within links on the current page.
CTRL+PLUS: Zoom in on the current page by 10%.
PLUS: Zoom in on the current page by 10%.
CTRL+MINUS: Zoom out on the current page by 10%.
MINUS: Zoom out on the current page by 10%.
CTRL+0 (Zero): Restore zoom display on the current page to 100%.
F11: Use the entire screen for viewing the current page.
SHIFT+UP ARROW: Proceed to the next link up on the page.
SHIFT+DOWN ARROW: Proceed to the next link down on the page.
SHIFT+LEFT ARROW: Proceed to the next link to the left on the page.
SHIFT+RIGHT ARROW: Proceed to the next link to the right on the page.
ENTER: Activate the link that is currently selected.
SHIFT+ENTER: Activate the link that is currently selected in a new tab.