Privacy Badger [0] does this, among other things. I use it in combination with uBlock [1] and Decentraleyes [2], which replaces many CDN-hosted resources (eg. Google Fonts) with locally cached copies.

[0] https://www.eff.org/privacybadger

[1] https://github.com/gorhill/uBlock

[2] https://github.com/Synzvato/decentraleyes