Your processor speed, amount of RAM and video card are the most relevant factors when gaming, not as much as your connection speeds (for WGT). The data packet is sent from the server for the action play you are about to perform and this resides momentarily on your computer after your play (stroke) the packet is sent back to server. So yes applications running in the background will slow down or lag your play since it is a high resolution graphics driven game. Laptops although they have come a long way in the past few years are not really designed for gaming except for the high end gaming capable laptops. Hence the reason why gaming systems are in the two to three thousand dollar range.
Inexpensive fix: go to "menu" > "game Settings" and adjust the flash animation settings quality, this might speed up the animation of game play.
Only end applications running in the background if you are truly certain that they are not needed. Do ALT >CTRL >DELETE to open Windows Task Manager go to processes (you can sort by high to low by simply clicking on “Mem Usage” header; there you can see the programs that are hogging resources. Simply right click on a selection and “End Process”. Example would be something like ITunes Helper using 30k of ram
Video cards:
We are talking refresh rates which is the speed that the video card can produce the image of your game (swing). All the pretty grass, realistic soil, sand and trees really puts a burden on your graphics card which in turn slows down the refresh rates in other words the video card can’t keep up with the huge amount of data being asked to process.
True fix: faster processor, at least 2 to 4 Megs of ram and a high end video card.
There are video cards for $50 (equivalent to what comes from factory. Then there are the good ones for $150+ some are $400 and can go as high as $2000!
There is a reason behind the madness!