The invention is directed to methods for identification of users communicating with web servers by replacing or creating browser information associated with a user. In one embodiment, a local object store containing cookie values or URL data on the user's computer is accessed when a web page is rendered. The values stored in the local object store are used to recreate cookies that have been deleted from the computer's web browser or the URL data is used to identify web pages that the user has downloaded. Once recreated, the cookies may be placed back in the web browser or the URL data may be used by the web-server in targeting the user for advertisements, personalization, etc.