The Last 30 Days Report breaks down how your site has performed day by day over the last 30 days. The first chart shows you data for all the visitors to your site which includes unique visitors and returning visitors. The next chart shows you only unique visitors for the last 30 days and the last chart shows you repeat visitors, meaning that they had visited your site before.

These charts will help you see what days your site gets the most traffic. Watching this report and comparing it to the Keyword Report, which shows all the keywords from referrers and conversions, will teach you the visitor and customer trends for each day of the week