Hello,
Thanks for letting us know.
About settings of Rocket plugin, I can provide screenshots from our demo, in your case settings can be different, because 3rd party plugins used, – https://prnt.sc/0JqFnI93plFz https://prnt.sc/MvQ_hZHYfTod Enable options one by one and checking site on frontend at the same time. Test speed before changes and after to find out if there are any improvements – https://gtmetrix.com/
You are using Elementor, so try to enable https://prnt.sc/aoap9ZpnB3Lg for elements that are not first on page (if you can’t find this option, update the theme and Core plugin). https://xstore.helpscoutdocs.com/article/63-theme-update https://xstore.helpscoutdocs.com/article/37-plugins-update
Regards