side tab search

dingqiuyang, you can search for specific tabs by entering a % followed by a space followed by your search term, in the address bar.

it is very useful, thank you very much!

Just to add, another method is to click the search options button to the left of the address bar and select "Tabs" from the dropdown list.

This too should place the address bar into 'tab search mode'.

See also "Changing results on the fly":

• https://support.mozilla.org/en-US/kb/address-bar-autocomplete-firefox