The title tag carries more weight than any other HTML tags as far as on-page SEO is concerned.
In HTML source, look for Title Tag:
<title>Title of web page consisting keywords</title>
near the top of the file. Visually, it appears at the top of the browser window.
All the major search engines such as Google, Yahoo and MSN Search place emphasis on the words that appear in the title tag.
The spiders use these words to determine what the rest of your page is about. The title bar should consist of words that describe your page and should include the most important keywords or phrases.
You should check all the title tags of your web pages. Each title bar should be unique and decriptive. I usually use between three to ten words in the title tag to indicate what the page is about.
Unique title tag is liken to the numbering of each unit in a building - imagine the confusion when you walking into an apartment block with same number at every unit!
Tip when writing your Title Tag
Avoid repeating keywords more than once in the title bars, and make sure that identical words are not next to each other.
As the text within the title tag will be used in the listing of your Web site in the search engine results, it is important that your title bar sounds interesting enough for searcher to click at it.
