How Fast Can Be My Cs Cart?

Is there a way to increase my CSCart (4.3.5)? How can I do that?

If you need server side optimisation, you can contact the following person

Hello and thanks for response @eComLabs,

I want to increase my site speed by any side were is available. I have read a lot of posts for the smarty & cache engines. Trying to find some way to do..