SEOmoz has become a recognized leader in the field of SEO by providing the very highest quality solutions to their clients. These services are intended to help websites achieve higher rankings and greater levels of traffic through the organic listings on search engines (Google, Yahoo!, MSN & Ask). Recently, SEOmoz has released The Web Developer’s SEO Cheat Sheet which I have found very useful for webmasters. The Web Developer’s SEO Cheat Sheet shows us the following.

• Important SEO Html Tags, Search Engine Indexing Limits
• Recommended Title Tag Syntax, Common Canonical Issues
• 301 Redirect, Important Search Engine Robot User-Agents
• Common Robot Traps to Avoid, Robots Meta Tag Syntax
• Robots.txt Syntax, Sitemap Syntax

Source: The Web Developer’s SEO Cheat Sheet