(a) Keyword Research/Competition research
(b) Revise Meta Tags and page titles
(c) Rectify Content
(d) Design Modification
(e) Inner Linking Strategy to gain PR
(f) Alt Tag for all images
(g) Bold Tag & proper header tags (i.e. <h1>, <h2>, <h3>, etc.)
(h) Rss Feed creation
(i) XML Sitemap & Submit to Google, Yahoo explorer & Bing
(j) Title attribute to all anchor text
(k) Keyword Prominence and Keyword Density
(l) Optimization of listing in Google locals, Yahoo locals
(m) Implementation of robots.txt file on the site
(n) Creation of static sitemap
(o) Creation of a 404 page
(p) W3C validation