Recent changes will require an adjustment in the way A site is played on T side.
The smaller bombsite requires Ts to get a lot closer to plant.
In order to prevent getting deleted by CTs, I recommend using this utility.

Smoke 1
This blocks off CT vision from behind the wooden crap/Elevator area.

Stand Here[imgur.com]. then aim here to throw[i.imgur.com].

Smoke 2This blocks vision from yellow. But boosted players can still see over it.
Stand here[imgur.com] and aim here to throw[imgur.com].

Site MollyThis one prevents any cheeky ♥♥♥♥♥♥♥♥♥♥♥♥♥ from trying to boost on site. Throw it after the smokes for maximum effectiveness.
Stand Here[imgur.com], make sure you are completely wedged into the corner, then aim here and throw.[imgur.com].

This should keep A site firmly in our favor. Unless you decide to go mid every round.