1. A method comprising, by one or more computer systems: accessing a structured document from an external website, wherein the structured document includes markup language containing instructions identifying social network data elements of a social networking system; processing the markup language in the structured document to locate the social network data elements; rendering the structured document based on the markup language, wherein the displayable web page includes one or more of the located social network data elements of the social networking system; and displaying one or more of the located social network data elements of the social networking system proximal to the rendered web page on a display.