[Webkit-unassigned] [Bug 61473] New: REGRESSION (r67163): twitter.com doesn't load properly the first time

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=61473

           Summary: REGRESSION (r67163): twitter.com doesn't load properly
                    the first time
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
               URL: http://twitter.com
        OS/Version: All
            Status: NEW
          Keywords: NeedsReduction, Regression
          Severity: Critical
          Priority: P1
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aestes at apple.com
                CC: abarth at webkit.org, tonyg at chromium.org
        Depends on: 45310


In some cases, twitter.com fails to load the timeline with a cold cache. The black toolbar loads, but a JavaScript error prevents the rest of the page from loading. The error is typically something like:

TypeError: 'undefined' is not an object (evaluating 'twttr.anywhere.api')

See the attached screenshot to see what the page looks like when this happens.

The problem seems to be specific to a subset of twitter accounts and usually goes away if you reload the page. Since I am able to see this error, I'll work on a reduction.

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