Optimize Website Speed using GT metrix and also onsite SEO

I need someone to optimize my Wordpress website speed and SEO.

Optimize Speed
-Achieve a grade A or B using Gtmetrix
-Full-speed audit and implement changes

Onsite-SEO
-Get an SEO score of 92 or more using page insights by Google
-Get an SEO score of 90 using Ubbersuggests by Neil Patel
-Full website SEO Audit and implement changes
-Submit the website to search Google Search consol
-Keywords to rank for are "Fibre in my area", "uncapped wifi deals", "uncapped fibre deals", "uncapped wifi", "uncapped internet", "internet service provider"

Please note that I will not pay additional costs for plugins, software, or third-party extensions. Also, I need both to be completed, if you can't do both, please don't reply to the project.