Cheap seo and exploring the topic
The first is solicitation. If the analysis is crowded with sponsored links, ads and endorsements, more likely they earn from the ads and not for their analysis. Also, a reliable company knows that there should not be irrelevant statistics that may confuse you. The data should be relevant to your site and must not have information that you will not actually need. At the same time, you must know that there is no way any company can predict how a site will do in the future in terms of search engine.