[Webkit-unassigned] [Bug 252045] New: Default Sheet Parsing can add delays before requesting main resource

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Feb 10 04:10:38 PST 2023


            Bug ID: 252045
           Summary: Default Sheet Parsing can add delays before requesting
                    main resource
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ahmad.saleem792 at gmail.com
                CC: ap at webkit.org, beidson at apple.com, cdumez at apple.com,
                    rniwa at webkit.org

Hi Team,

It is just another potential optimisation done in Chrome which I came across and wanted to get input whether similar can be done in WebKit or not:

Blink Commit - https://chromium.googlesource.com/chromium/blink/+/c0aa7538cb054f429822a3f3cc66efe826122b80

WebKit Source - https://searchfox.org/wubkat/source/Source/WebCore/dom/Document.cpp#6387


In local testing, it compiles but had to use 'committedFirstRealDocumentLoad', which in case of Blink also got changed later in another commit (can't find it).

I haven't had any metrics to back up whether it works or not but again it is just for discussion on whether something can be done to get faster page loading or it is just placebo using this idea.

Keep making WebKit better.


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