1. A system, comprising: a processor of a user computer; and a memory coupled to the processor, wherein the memory comprises program instructions executable by the processor to: automatically store a universal resource locator (URL) of a website previously visited by a user in response to a previous request from the user to save a first document of the website previously visited, wherein the first document is saved in a local captured document store on the user computer; compare a URL of a website being logged into by the user to the URL of the website previously visited to generate a comparison; detect the user revisiting the website previously visited based on the comparison; responsive to detecting the user revisiting the website previously visited, automatically download a second document of the website previously visited, wherein the second document is downloaded in response to identifying a pre-determined keyword in the second document while the user is currently viewing the second document using a network browser, wherein the pre-determined keyword is determined prior to the user viewing the second document; store the second document, after the second document is downloaded, in the local captured document store on the user computer; parse the second document, after the second document is downloaded, to determine user financial data according to a pre-determined format associated with the URL; and prepare a tax return for the user according to the user financial data.