Embodiments of the present disclosure are directed to, among other things, managing browsing histories based at least in part on metadata and/or tags associated with a web request. In some examples, a web service may collect metadata associated with the web request. Based at least in part on the collected metadata, content tags associated with the web request may be identified. Additionally, in some examples, one or more browsing metrics may be generated. The browsing metric may be configured to identify at least a web request characteristic to be compared with a second web request characteristic.