Title Tag SEO
This article from AboutUs has great tips for SEO of title tags. It starts with the advice "So if you have the time to optimize one thing on your website, title tags are it."
9 Common Title Mistakes and How to Avoid Them
Among the most important ideas is not to waste the SEO value of the title by including "Home" or the domain name in the title. By default Concrete5 takes the page title from the page name but you can overide this by using the Meta Title field in Properties for the page.