Search for your most important keyword phrases. Look at your competitors’ titles and descriptions.
How do yours compare with theirs?
Make sure your titles and descriptions are more compelling and designed to grab the visitors’ attention immediately. Ask for several people’s opinion on this — your opinion may be too biased.
If you’re just listing keywords in your title and description versus a compelling title and description, rewrite your Meta Tags immediately.
Using the Google Toolbar
One quick and easy way to see how you are using your keyword phrase "visually" at a glance, is to enter your main keyword phrase into Google's tool bar and turn on the "hilighter" option.
A Beginners Guide to the Google Link Algorithm Part.1
EVERY search engines primary goal is to provide the best quality, most relevant search results possible and the way each search engine does this varies considerably.