Victory over Carlo Ancelotti's side this evening would see the Reds confirm their place in the knockout stages by claiming top spot of Group E.
But in order to do so, Robertson has stressed the need for everybody of a Liverpool persuasion to be at their very best.
The left-back told Liverpoolfc.com: "It has to be the aim. Since I've been here we've always gone into the last gameday, which is always a wee bit nervy and stuff like that.
"It'd be nice to do it with one game left to spare but we know how hard it's going to be and know what Napoli do and how they play.