Simple and useful Ohodnoceno 5 z 5 hvězdiček

Nice one, but please open duplicate tab in foreground not in background mode.
Thank you.

Tato recenze je pro předchozí verzi doplňku (0.0.2.1m.1-signed). 

There is a config.
Open about:config and change extensions.duplicateintabcontext.loadInBackground to 0.
All duplicated tab will open in foreground.