1. A method, comprising: presenting a first domain landing page associated with a first domain to a first plurality of users, wherein the first domain landing page is presented in accordance with a first template of a set of potential templates, wherein different templates in the set of potential templates represent different layout presentations of a plurality of elements of landing page content; presenting a second domain landing page associated with a second domain to a second plurality of users, wherein the second domain landing page is presented in accordance with a second template of the set of potential templates; presenting the first domain landing page associated with the first domain to a third plurality of users, wherein the first domain landing page is presented in accordance with the second template; collecting historical revenue data associated with the first template and the first and third plurality of users; collecting historical revenue data associated with the second template and the second plurality of users; collecting user data associated with a particular user via a cookie stored at a user device of the particular user; and determining that the particular user is accessing the first domain landing page; selecting a template for the particular user from the set of potential templates based on (1) the historical revenue data associated with the first and second templates and (2) the user data; and dynamically adjusting a presentation of the selected template for the first domain landing page to the particular user based on (1) the historical revenue data associated with the selected template and (2) the user data.