Re: dont-revalidate Cache-Control header

[Amos Jeffries <[e-mail]>]

On 16/07/2015 10:39 a.m., Ben Maurer wrote:
> SRI is difficult to use in many of these cases. For example, at Facebook,
> we often dynamically construct thumbnails of photos in order to avoid
> having to store both high-res and low-res versions of a photo. We might
> link you to /profilepics/64x64/4.jpg which is a 64x64 version of 4.jpg.
> Since this file is computed on the fly, we don't know the hash of the file.
> But we'd still like to serve it with a "static" tag so that it can avoid
> situations.

This is where simply doing chunked encoding is designed to prevent
corruption. Transfers lacking the terminal 0-byte chunk are visibly
corrupt to all recipients of the message.

Amos