Heart ready to fire in A-League

Heart's effort produced a dominant week-one win over Melbourne Victory and a delightful first half of touch and invention without capitalising against Wellington Phoenix, eventually drawing 1-1.

But two subsequent defeats to Perth Glory and Central Coast Mariners pitch the Melbourne side as a team with more question marks than clear answers about its ability to challenge this season.

"I guarantee we will go through a run of form quite soon that will get a lot of people talking about Melbourne Heart," Williams said.

"I feel as a team collectively we've been doing very well on the training park, but it's hard to talk about training because no one really sees training - they only see the games."

While it is early to be talking about season-defining matches, Heart's away clash with Western Sydney Wanderers on Friday night would appear critical for the visitor to relaunch.

Western Sydney is on a high, after recording club's first win in its brief history over defending champion Brisbane Roar last weekend, and has impressed with its organisation and competitiveness.

Williams admits to being impressed with the Wanderers, who have former Heart assistant Ante Milicic on staff.

But he believes Heart will succeed for the rest of the season if it backs itself more, especially when on goal.

"We have the backing of the coaches but, when we go out there, we have to 100 per cent know it's a game for us and be confident of winning.

"For the strikers, it's backing yourself to score. Defenders - it might be to win their 50-50 battles.

"It's the confidence you give yourself. If you don't back yourself to actually know you can do the job, you probably won't do it."

Few have benefited more from Heart's change of coach from John van 't Schip to John Aloisi than Williams.

Reduced to a peripheral figure under the former coach, Williams has been emphatically backed in by his new coach.

An invigorated performance echoing his North Queensland Fury form a couple of seasons ago, which took him to the brink of Socceroo selection, came in week one, with a goal in the win over the Victory.

"For a variety of reasons, I feel a lot better this year, and happy with how we are as a club," Williams said.