If you are a real stickler for SEO then there is a good chance that you have been optimizing as you go, making sure that every new post has all of its metas in order, consistently staying on track with your keyword focus, and making sure that you place 301 redirects as needed. Setting aside some time to take stock of your existing site and perform an on-page SEO check-up should become a regular event within the life of your website.