[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:  closed
 Priority:  normal                   |   Milestone:
Component:  Media                    |     Version:  4.4.2
 Severity:  normal                   |  Resolution:  invalid
 Keywords:  reporter-feedback close  |     Focuses:  performance
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Comment (by adam.radocz):

 In the video I used a clean installed WordPress without any plugin.

 Replying to [comment:8 joemcgill]:
 > Replying to [comment:7 SergeyBiryukov]:
 > > I was able to reproduce the issue on a clean install in the latest
 Chrome (52.0.2743.116 and 53.0.2785.89) exactly as shown on the video.
 > >
 > > The markup is correct though, so if the browser downloads both
 versions of the image in certain conditions, it's up to the browser, I
 guess.
 >
 > I'm still not able to reproduce this with all plugins off and am fairly
 confident that this isn't a browser bug. In the video it looks like a
 Pinterest plugin is being used, which might be adding additional HTML to
 the page to populate the shareable image.  As an aside, if you test this
 with the Debug bar on, you may appear to get double downloads because the
 debug bar adds additional markup to the page that can include calls for
 the original image. This tripped me up at first, but after turning that
 off, I no longer saw double downloads.
 >
 > I'm going to go ahead and close this as invalid. Feel free to reopen if
 it can be demonstrated that this is a reproducible bug that WordPress
 needs to work around.

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Ticket URL: <https://core.trac.wordpress.org/ticket/36378#comment:9>
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