An implementation is described for identifying a location of content within a document. The implementation includes displaying at least a portion of the document on a display of a computer. The implementation also includes receiving a user selection of the location within the document. The implementation also includes generating a location identifier. The location identifier describes the location within the document in terms of a document structure implemented by the document. The implementation also includes encoding the location identifier into a uniform resource locator (URL). The URL links to the document and identifies the location within the document. The implementation also includes sending the URL from the computer to a second computer. The second computer is configured to decode the URL and interpret the location identifier to display the visual marker at the location within the document.