My site got the score 0 at google speed test site

Hi,

I'm using the wpsmash and w3tk plugins but it seems it's not inaf to get good score at google insight speed. It would be great get help with it.

https://developers.google.com/speed/pagespeed/insights/?url=http%3A%2F%2Fwww.kcenter.co.il%2FTEST_079.co.il%2F&tab=desktop

Thank you,
Eitay