Welcome to GT..
If you become a full member there is a metronome tool. The core learning has fundamentals have been gone over by seasoned players who have found it benificial in finding improvement to there playing. There are also lesson on smooth chord transition which helps in your timing.
Tons of lesson here to improve your playing.
The forum can get you lots of opinion, but a lot messages will point you to lessons the you can't get to with out being a full member.
If you haven't seen, there is 60 day money back guarantee which will give a good opporunity to see what's here.
Hope this helps.