Current Website Optimized For Mobile and Desktop

Currently my site on google [login to view URL] is rated 3 out 100 for mobile speed and optimization, desktop is 33 out 100. I want to get to 90 out of 100 for mobile and desktop. This isnt SEO Im looking for this is optimization and speed only. Please dont confuse SEO with what Im looking for. Eliminate render-blocking resources 7.07 s Remove unused JavaScript 2.25 s Reduce initial server response time 1.75 s Remove unused CSS 1.17 s Minify JavaScript 0.15 s DiagnosticsMore information about the performance of your application. These numbers don't directly affect the Performance score. Serve static assets with an efficient cache policy 67 resources found Minimize main-thread work 18.3 s Ensure text remains visible during webfont load Reduce the impact of third-party code Third-party code blocked the main thread for 670 ms Does not use passive listeners to improve scrolling performance Avoid enormous network payloads Total size was 6,544 KiB Reduce JavaScript execution time 11.0 s Avoid an excessive DOM size 1,251 elements Avoid chaining critical requests 54 chains found User Timing marks and measures 3 user timings Keep request counts low and transfer sizes small 86 requests • 6,544 KiB Largest Contentful Paint element 1 element found Avoid large layout shifts 5 elements found Avoid long main-thread tasks 20 long tasks found Looking for someone to make these corrections on my site.