speed up my site, give me some advice

hi, how can i speed up my site betting tip.info there is not good rank here https://developers.google.com/speed/pagespeed/insights/?url=bettingtip.info
i will instal w3 total cache (or some other plugin if there is some better?) but i want is possible to improve speed and on some other way, i have over 60 instaled plugins, i use about 40 because other may i need later.
give me few usefull tips to improve speed?