How to do a tab task on multiple tabs?
You can do a tab task (like reload/duplicate/new window/close...)
on multiple tans at the same time - in Google Chrome!
>> Select the required (multiple) tabs by holding down "Ctrl" key
(Windows) and clicking the tabs
>> Now the tabs are highlighted from other tabs
and now can release the Ctrl/Command (Mac) button
>> You can right click on a selected tab
and perform any tab tasks!