Implement fixes from Google mobile speed report for my website

Page speed 10.8 seconds = Slow These are the things below reported that are the issue. I will provide url in message. I need someone who knows what to do here and the help will be greatly appreciated. Here is the url for the full report from Google with the url of my website [login to view URL] ⬚ Avoid enormous network payloads ⬚ Serve images in next-gen formats ⬚ Avoid an excessive DOM size ⬚ Avoid multiple page redirects ⬚ Eliminate render-blocking resources ⬚ Enable text compression ⬚ Serve static assets with an efficient cache policy ⬚ Ensure text remains visible during webfont load ⬚ Reduce JavaScript execution time ⬚ Minify CSS ⬚ Defer offscreen images ⬚ Defer unused CSS