1. A computer-implemented method comprising: receiving, by a web server, directly or indirectly from a web browser running on an Internet-enabled device, a HyperText Transport Protocol (HTTP) request, the HTTP request including a plurality of HTTP header fields, wherein a value of at least one of the HTTP header fields was set based on a web browser privacy setting that was active at the time the HTTP request was generated by the Internet-enabled device, wherein the web browser privacy setting was selected by an end user of the Internet-enabled device from among a plurality of web browser privacy settings supported by the web browser; determining, by the web server, the value of the at least one of the HTTP header fields; and based on the value of the at least one of the HTTP header fields and responsive to the HTTP request, returning, by the web server to the web browser, content tailored in accordance with the web browser privacy setting.