The present disclosure is directed to a system and method for embedding macros in Web pages with advertisements. In some implementations, a method includes receiving a snippet embedded in a remote Web page. Rules for embedding one or more macros in the snippet are identified. The one or more macros are associated with archiving user actions associated with an advertisement presented in the Web page. A format of the snippet is determined from a plurality of identifiable formats based, at least in part, on the rules. The one or more macros are automatically embedded in the snippet in accordance with rules associated with the snippet format.