If you have a page where you want to open many links at once - like a page full of scan results, and you want to open each chart in a new tab without clicking each link individually - this is a great add on for Mozilla. It's indispensable, I highly recommend it.
https://addons.mozilla.org/en-us/firefox/addon/multi-links/
https://addons.mozilla.org/en-us/firefox/addon/multi-links/