The defender was unhappy with a late lapse in concentration as his side saw victory slip away following a last minute equaliser, and says they need to be more professional
The Toffees were minutes away from taking all three points until Steve Sidwell's last gasp equaliser for Fulham, and after the game Jagielka admitted it felt like a loss.
"There are not too many people smiling in the dressing room," Jagielka told the Daily Mirror. "As a professional you feel as though you should be winning those games.
"It might be the difference between us finishing a place higher in the league. We created a lot of chances again, as we have all season.
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"The last minute we must have switched off. I am very frustrated. It doesn't feel like we have played well. That's four games without a win, which is not good enough."
Everton outplayed Fulham for the majority of the game, but their profligacy meant they could not add to Marouane Fellaini's two goals despite taking 27 shots, a statistic which angered Jagielka.
"We need to be more professional in finishing games off," he continued.
"I don't mean that in a bad way to any of our strikers or our creative midfielders. We all play a part in defending and in attacking, but we created over 20 chances and only scored twice.
"That is not the standard we have set ourselves.
"The Fulham fans will go home happy to have nicked a point, whereas obviously last week we were fortunate for an offside goal not to be given in the last minute for us to gain a point."
Although Jagielka cut a frustrated figure, the draw Everton earned saw them move up to fourth in the table having taken 17 points from their opening 10 games.