Spectate allows you to view the history of pertinent SEO data, such as Google Indexed Pages or Google Inbound Links, for all of your sites.
To view the SEO History, click on the Marketing tab on the left, and then click on Analyze -> Sites. You will see that all of your sites are listed in the Sites table. Note that you can sort the Sites table by clicking on the column names. You can also search for a Site by entering the name into the Filter text field and hitting “return” on your keyboard.
Once you have found the right Site, click on the name of the Site, which will take you to your individual Site’s main screen.
Scroll down to the SEO History table, which will provide you with the history of SEO changes for your Site.