I am not overly concerned with SEO. I am creating a portfolio site that advertises work that I have done and design services that I can provide. Most people will come to my site because I have given them the link. Design work is something that I do in addition to my full-time job which limits my potential client base. Perhaps later when I do design work, SEO will be important.
One of my big concerns with WordPress driven SEO is the design of WordPress. WordPress is a blog driven platform intended to be updated frequently. I came across a post on the WordPress forums that address static pages. Even with static sites, SEO principles on WordPress are the same.
WPBeginner published an article Must See SEO Guide for all WordPress Bloggers that I found useful. I learned about permalinks, the importance of heading tags, and post descriptions. The article mentions All In One SEO plugin which makes SEO easy to implement. All In One SEO tackles issues like page titles, meta tags, and links. SEO Friendly Images is a plugin that deals with ALT and TITLE attributes. I plan to use these plugins in the coming week.
Well, its funny cause SEO and Accessibility have a lot of overlap so just by making your site accessible you take a big step in making your site more search engine friendly.
You should actually consider optimizing your pages for some set of keywords now rather than later because time also plays into optimization. The longer your around trying to optimize your site for some set of keywords the better.