Hubspot developer needed for Website optimization

Google Site Speed check was very poor for a few of our landing pages, need someone to go in and fix the Google Audit problems.
Reduce unused JavaScript
5.9 s
Properly size images
5.59 s
Defer offscreen images
5.59 s
Serve images in next-gen formats
3.05 s
Eliminate render-blocking resources
1.66 s
Efficiently encode images
1.05 s
Enable text compression
0.75 s
Remove duplicate modules in JavaScript bundles
0.3 s
Avoid serving legacy JavaScript to modern browsers