Within my basic gig I will do research of your website and write you all SEO meta tags including keywords research (I will bring you best available keywords to improve your search engine optimisation).
Also, if you don't know how to add it to your site, I will do it for you for extra 5$.
However Search Engine Optimisation is not only meta tags. There is a lot of other things that should be done in your webpage.
Within my third extra gig (20$) I will do deep research of your website and search engine and help you to get full seo on your site.