You might be interested in this: https://cs.nyu.edu/trackmenot/ https://cs.nyu.edu/trackmenot/ However, the difficulty is to make these requests actually look

You might be interested in this: https://cs.nyu.edu/trackmenot/ https://cs.nyu.edu/trackmenot/ However, the difficulty is to make these requests actually look indistinguishable from normal browsing. It might "work OK" now, but the behaviour certainly is different from normal browsing habits. If everyone started using this, you can bet someone would pour a lot of money into research that filters out the automated requests. Then one basically needs to solve steganography, which is a hard problem, harder than cryptography.