[Webkit-unassigned] [Bug 145380] Add Content-DPR header support

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=145380

Mark Nottingham <mnot at mnot.net> changed:

           What    |Removed                     |Added
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                 CC|                            |mnot at mnot.net

--- Comment #15 from Mark Nottingham <mnot at mnot.net> ---
(In reply to comment #14)
> > Case in point, if I'm opening a direct link to the image
> 
> Standalone images are a rare case, and it is always possible to solve any
> problems with those by embedding them in an HTML document. We do not need to
> add complicated features to the platform to enable silly approaches - making
> every possible silly approach fixable at some other level is not the goal.

You called the proposal "silly" twice in the same sentence -- is that really necessary? 

> Yes, it is always possible to advocate for addition of features with
> theoretical "what ifs" like this one, but new features should solve real
> problems, not provide an umpteenth way to solve a problem that's already
> solved.

Content-DPR is a big win for servers and services that want to support responsive images without modifying HTML/CSS. Modifying response bodies has a server-side performance hit, and also introduces bugs. 

Talking to various teams that work on Web Performance Optimisation products, this is very much a real problem; perhaps it's just not as visible to you.

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