Search engine optimization is on every webmaster's mind these days. Achieving a favorable ranking for the right keywords can mean a steady stream of targeted traffic to your site, and all for free - that's hard to beat. The key to high search engine rankings is structuring your website correctly, including plenty of content that is relevant to your keywords, and making sure your website is spider-friendly. You can use this checklist to make sure all of your Web pages can be found, indexed and ranked correctly:

Your website is themed.