Re: [w3ctag/design-reviews] Review Request: Priority Hints API (#241)

Hi,

> > this will decrease the risk of browser fingerprintability
> 
> Could you explain this point? I actually feel like this may increase browser fingerprintability right? Seems like it would increase the surface area for feature (and by extension, browser) detection.

If websites have control over fetching resources, any built in browser differences might be "affected". That said some specific browser patterns would probably persist.

> 
> RE website fingerprintability, I assume this is because to an observer, the network traffic to/from sites using Priority Hints might have a more distinguishable pattern, given the way/order in which resources are requested? Makes sense to me, but I think it is almost insignificant since each browser would likely respond to the hints in a slightly different way, so an observer would need to know the UA involved as well.

Yes, about network traffic. If websites are free to amend the order, they might become a bit more distinguishable.

Maybe I should write a bit more about it (need to find ther time!). Any UA ships this already? 



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