Title tags are the most powerful of any single on-page ranking factor. Expert care should be applied to crafting title tags—you will be rewarded with high rankings and traffic if you do.

To begin crafting these title tags, keep in mind two concepts with which you should now be familiar: keyword prominence and keyword overlap. Keyword overlap dictates that you should try to collect a small family of keywords with common words, and group them together to create title tags that can capture multiple search key phrases—just as we did a few pages before when discussing how to craft domain names. Keyword prominence rules dictates that the highest value terms go at the beginning of our title tag and the lowest value terms go at the end of our title tag.

We also need to consider that the space in the title tags is limited. Search engines display a page's title tag when that page appears in a search result most of the time. However, search engines only display a limited number of...