[Webkit-unassigned] [Bug 213447] New: Network request randomly not firing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=213447

            Bug ID: 213447
           Summary: Network request randomly not firing
           Product: WebKit
           Version: Safari 13
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pierreyves.pointereau at news.com.au
                CC: beidson at apple.com

Created attachment 402436

  --> https://bugs.webkit.org/attachment.cgi?id=402436&action=review

Video of the problem - with OSX console errors

Hi there,
I'm working for News Corp Australia, and we've been experiencing a few reports of blank images on https://www.news.com.au and https://www.couriermail.com.au.

It's been challenging for us to come with a reproducible scenario, but in most cases it seems to be impacting desktop and mobile, of people who have had our sites open for a long time (1h+). Randomly then, when opening some pages, some images from our CDN won't appear (not even firing an outgoing network request to our CDN), and sometimes, even the entire page won't load.

Attached is a video of the problem with OSX console showing some error reports. In this video, I was trying to open a particular image alone (not embeded within a page), and the same behaviour applies, as it looks to me like it's more of a network issue than a DOM or CSS one.

Browsing the web for similar issues, it looks like those are related:
 - https://forums.macrumors.com/threads/safari-blank-page-bug.2204823/
 - https://bugs.webkit.org/show_bug.cgi?id=207104

Any help is appreciated.

Thanks for your support

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