Neil Patel has outlined some simple steps for optimizing your site/blog for searche engines. His advice includes:

URL structure (blogname.com/post_title)
Page titles (Post Title)
Meta descriptions
Headings
Alt tags on images and links
Sitemap
301 Redirect for http://domain.com to http://www.domain.com
Link out
Ping

Good steps to start you off on the right foot for SEO.