How install cache optimization(Performance) for wordpress in production

v4
#1

Hello i have this a site in production, he is bad for performance. have this 5 in mobile, he is big is a ecommerce have very plugins and customization. if i install type this: https://easyengine.io/wordpress-nginx/tutorials/single-site/w3-total-cache/

i have change in performance?

if yes how do this? You have idea?

Thanks!

#2