Kandi Humpf of Search Engine Journal has written a good article to remind us that leveraging even the most basic SEO principles can still give us a valuable boost in the right direction.
Here's an excerpt of the article:
Use your content to your advantage. Pick out specific high-priority keywords and link to the appropriate pages. If your number one keyword phrase is “link architecture” and you have a page on your website that carries a PageRank of three, use the term link architecture in the first paragraph and link it to the appropriate page.
Step One: Determine your most important keyword phrase. I use tools like Word Tracker, SEM Rush and Google AdWords External Keyword Tool.
Here's the link:
Achieve High Rankings by Using Your Existing PageRank as Leverage