Unofficial Epiphany extensions [en]

Thanks to ZeBob‘s comment (in french, sorry ;-) ; Epiphany english entry is here), I’ve discovered new Epiphany extensions. So now, tab width is not fixed anymore, and when opening numerous tabs, they all stay before my eyes. I also could get rid of the close button on each tab and add one to my toolbar, middle click to close a tab and move to the next tab on the right when closing one. Nice, thanks a lot ZeBob :-)

Guess you’ll find me a picky one, I do not like tabs width automatically spanning the whole screen when just one or two of them are opened :/
Any ideas ?