Common web accessible data store for client side page processing

Embodiments of the present invention provide a method, system and computer program product for shared data storage in page processing over a computer communications network. In an embodiment of the invention, a method of shared data storage has been provided for page processing over a computer communications network. The method can include registering a content browser executing in memory of a computer with a remote storage service and receiving content from a content server over the computer communications network. The method additionally can include invoking in the content browser an instance of a localStorage object to cache data associated with the content according to a unique key. Thereafter, in response to the invocation of the instance of the localStorage object, the data can be stored in the remote storage service in reference to the unique key.