imporving performance with upfront - spirit theme

Hey,
I am testing the spirit theme (using upfront - amazing bye the way!!!!! :slight_smile:
But i come to notice a bad score in performance. (checked by google pagespeed)

Can you recommend what it the best practice to improve that? this will be hard to market to clients this bad results..
2 examples:
http://giraffam.bestpages.co.il/landing-page/

http://giraffam.bestpages.co.il/%D7%A2%D7%9E%D7%95%D7%93-%D7%A0%D7%97%D7%99%D7%AA%D7%94-%D7%A9%D7%A0%D7%99/