I want to increse my website speed in google insights / GT Metrix, i am using best plugins such as "WP-Rocket" for optimisation and has do all the possible things for minifications. My issue is that when i Checked my performance it is asking to minify external JavaScript files such as google apis, google analytics, Facebook apis etc..
How can i implement or minify it and increase my page speed
I have tried all possible optimisations and minifying javascript and css files.
But it is asking to minify external links