Minimal, Web proxy written in Go.<p>Can be self-hosted on Heroku, Red Hat OpenShift or any VPS / Cloud provider.<p>more details here <a href="http://madhurjain.github.io/gopee" rel="nofollow">http://madhurjain.github.io/gopee</a>
I think a slightly more practical approach would be to make an easily self-hosted web proxy with an accompanying Google Chrome (or other) extension that can rewrite all network requests.
I wrote something like this a while back:<p><a href="https://github.com/aosmith/go-proxy" rel="nofollow">https://github.com/aosmith/go-proxy</a>