"It was a hard first season in the Championship last year, but I think I've learnt and grown a lot as a player since I came here. I've enjoyed my football and now I'm looking to kick on.
"I'm happy with the way I'm playing, but you can always get better.
"It certainly doesn't stop here for me. I need to keep learning off the gaffer and those I'm involved with on the international scene.
"My aim is still to get into the Premier League with Swansea - and sooner rather than later.''
Williams' senior career started at Hednesford Town when he was released by West Brom at the age of 16.
He combined his part-time football career with jobs on the fun fair at Drayton Manor theme park and as a waiter in a local restaurant.
Although as a youngster he was never a regular for the non-league club, he impressed enough to attract a bid from Oldham after a successful trial at Boundary Park.
Hednesford rejected the bid, but he was then allowed to join Stockport on a free transfer on New Year's Eve in 2003.
After breaking into the senior side against Hartlepool on 16 March 2004, his eye-catching performances saw him lift the club's Young Player of the Year award.
And following the arrival of manager Jim Gannon in January 2006, Williams won the club's Player of the Year award at the end of the 2005-06 season before Stockport turned down a bid of £500,000 from Luton Town.
Having progressed to club captain Williams, who had also attracted interest from Cardiff and Leeds, initially joined the Swans on loan just days after he won his first cap for Wales courtesy of his grandfather's Welsh roots.
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