However, using Google Search Engine Analytics expertly, you can get useful numbers and data from the following sources.
Keyword rankings: Be sure you are ranking for the keywords that your audience uses in search.
Buyer behavior: Evaluate what your website visitors are doing when they visit your site and make adjustments to your content to drive them to the desired pages on your site.
Conversions: Determine whether or not your site visitors are completing the goals you set.
These are the main sources to get at the numbers that really matter in marketing campaigns.