Also known as an orientation statement, the purpose of the classification statement is give context to your content and orient the visitor as quickly as possible as to where there are and what they can accomplish here.
Visitors from search engines will typically make their decision to stay on your page or leave in 8 seconds or less, so the statement needs to be designed to help them decide that they are in the right place to find a rich source of information related to their search.
This statement should be clear and objective and be placed in a prominent position on the landing page (typically near the top center of the page)