A common mistake made by lots of web designers is to leave the title <title> tag empty. Its often seen as one of the most important places you can put your keywords because it tells the Search Engine what you are about, and also it shows your keywords in the search results of Google. So check your <title> Tag is correct and filled in. However with the recent Google Panda update its vital you have a tag that looks natural.
For example if you were ABC plumber you might put.
“ABC Plumbing, your local plumber based in dorking”