[wp-trac] [WordPress Trac] #36378: Srcset download 2 images with one request.

[WordPress Trac]

#36378: Srcset download 2 images with one request.
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 Reporter:  adam.radocz        |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Media              |     Version:  4.4.2
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:  performance
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Comment (by adam.radocz):

 Replying to [comment:1 johnbillion]:
 > Thanks for the report, @adam.radocz . The behaviour of the `srcset`
 functionality is down to your browser. WordPress has no control over what
 your browser does with the contents of the `src` or `srcset` attributes.
 >
 > That said, this sort of bug can sometimes result in something that
 WordPress needs to work around, so:
 >
 >  * Which operating system and which version of Chrome are you using?
 >  * Does the image appear anywhere else in the page's contents?
 >  * Does it happen with every image that gets a `srcset` attribute
 applied?
 >  * Does it still happen with your browser extensions enabled?
 >  * Does it happen in other browsers such as Firefox?

  * I use Windows 10 Insider Preview Build 14295 and MAMP 2015-12-15
 (Apache 2.2.27, PHP 7.0, MySQL 5.5.41).
  * The image doesn't appear anywhere else int the page's content.
  * It happens with every image that gets a 'srcset' attribute applied, but
 the bug depends on the image size and the viewport.
  * It happens in Google Chrome 49.0.2623.87 m (64-bit) and Microsoft Edge
 34.14295.1000.0 also, but I didn't test in Firefox.

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Ticket URL: <https://core.trac.wordpress.org/ticket/36378#comment:2>
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