Not only did they win 5-0 against a team which had made seven changes ahead of Sunday's Capital One Cup, Liverpool also set a new record for the top European leagues this season.
At half-time they had recorded a huge 22 shots at goal - but only Steven Gerrard had scored as he netted from the penalty spot after Kemy Agustien had fouled Luis Suarez.
In the second half, Philippe Coutinho scored his first goal for the club within 16 seconds of the restart, Jose Enrique converted a fantastic team goal, Suarez curled one home and Daniel Sturridge bagged a second penalty in the match.
The final tally of shots on Swansea's goal was 35 - more than any other side has recorded in Europe's top four divisions this season. More even than Barcelona, Real Madrid, Bayern Munich or Paris Saint-Germain have managed.
It was no wonder that Liverpool manager Brendan Rodgers was full of praise for his side after the final whistle.
"It was an outstanding performance and we really showed our character and mental toughness today to get a performance like that," he said. "Going into the game it was about keeping a clean-sheet because in the last four games, we haven't been at our best defensively. So I was very pleased.
"We looked to dominate and create chances and we did. Like in any game of football, it's important that you start the second half well and in that little period, we scored three goals and that really gave us extra confidence."
Liverpool's fantastic performance was also one of the most dominant seen in the Premier League in recent seasons, though still some way short of the most dominant.
Last season, Manchester City recorded 44 shots against QPR, the final one of which, deep into injury time, saw Sergio Aguero win them the title on the final day of the season.