Liverpool piled on the pressure from the blast of the whistle but Palace who lost their season’s opener to Arsenal remained resilient.
“Nowadays, I’m an experienced player and know how to deal with this kind of pressure.”
Salah’s contract renewal put to rest rumours linking him to possible transfer to Spanish side Real Madrid.
Palace look like having one of the toughest starts of any club as after the Gunners, they go to Anfield, host Aston Villa and then head to Manchester City.
Liverpool now progress to yet another cup final this season having already won the League Cup earlier in the year and booked a place at Wembley for the FA Cup final.
Klopp’s extended stay is also likely to influence the thinking of a number of players who are entering the final 12 months of their contracts.
Liverpool wore down Villareal 2-0 in a UEFA Champions League semi-final first-leg tie on Wednesday to keep their bid for four titles alive.
Sadio Mane saved the day for Liverpool with a priceless second-half equaliser in a gripping 2-2 draw with leaders Manchester City on Sunday.
Liverpool on Tuesday slipped to a shock defeat against Inter Milan at Anfield but managed to seal their place into the Champions League quarterfinals.
“They have a very clear identity, a clear idea of how they want to play,” he said.