yes, its not any of the explosions at all or anything to do with tanx, its the darn ads for the free account. when you subscibe most of the lag "SHOULD" go away. 
But thats all thanx to FlyorDie;)

Im not a subscriber, and my computer never lag's

You can help minimize lag by doing the following, which disables pictures on your browser and helps to prevent ads from showing (even though they still refresh in the background)

Go to View>Privacy Report>Settings>Advanced>

and find the box which says "show pictures".  Uncheck that box.  You may have to clear your internet files too, because for some odd reason some of the ads show up without a cacheburst stamp which makes them come up from your comp, which bypasses the show pictures option.

This should help lots.