Recently formatted my computer to Antergos with XFCE interface, with a few days of use find that the memory consumption is absurd, I realized that this occurs only when suspend the machine, such as a notebook rarely hang it.
What happens is that after stopping the first time LightDM (webkit) carries more and this process consumes memory, now I would like to understand why this happens? and that you can solve?

Image showing the LightDM processes after suspend

When more suspend the computer more processes that will be generated