Re: [w3ctag/design-reviews] Layout Instability Metric (#393)

Hi,

Thanks for your input. Here I'm only going to refer to the last point.

> A website has many ways to deduce information about the user's computing capabilities for purposes such as fingerprinting. The layout instability metric is one such way, but we don't think it exposes information that couldn't be just as easily obtained through other APIs that measure the speed or query the state of layout.


I'm not suggesting there are any unprecedented new risks or methods of using that, so please don't get me wrong. Still I would suggested in thinking in these ways:

- what does it allow/enable?
- is it possible to do this now, if so with what and how?

Would be great to have it documented.

Also last and not least, I believe that the score value is double. In your view in practice would be what scale [0,x] in practice (or theory)? Can it be bounded?

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