On: Google has been testing a replacement for third-party cookies

[k_]

It might just be some easy to ignore noise.

Worst thing is, unless this is used by a very large chunk of the population, it would even be another tool to identify you.

[whiw → k_]

> it would even be another tool to identify you

How exactly? It seems like a difficult problem for a website to me.

[k_ → whiw]

They can use "headers include random things" as a filter like they do with other headers presence/absence/value already. I don't think defining "random things" would be too hard for them.

[whiw → k_]

1. Noise that looks like valid signal is the most difficult kind to remove.

2. They would have to track the noise over page requests to know that it was noise. The saving of and correlation of the saved state would be a pain.