SEO fix problems and install Google Analytics

I am a website owner looking to optimize my SEO and have Google Analytics installed. My website is for personal use and I need help starting from scratch with my SEO. My primary goal is to have Google Analytics installed, so I can track key metrics for my website performance. I'm looking for an experienced freelancer to help me achieve the best possible results, without compromising the quality of work. My domains are www.swietek.com http://resume.swietek.com www.cudowneserce.pl www.podczerwone.com