Rated 4 out of 5 stars

what about working on blank page. about:blank?
I mean left click to close all duplicate and about:blank at the same time.(better adding a shortcut such as ctrl+shift+D to do work)

This review is for a previous version of the add-on ( 

Hi,The duplicated "about:blank" tabs should already be detected and closed.If you mean "close all the existing about:blank tabs" (even if there is just one), this is not supported as the goal is to close the duplicates.