[Webkit-unassigned] [Bug 158720] New: Add support for <link rel=preload>

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Jun 13 19:53:19 PDT 2016


https://bugs.webkit.org/show_bug.cgi?id=158720

            Bug ID: 158720
           Summary: Add support for <link rel=preload>
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
               URL: https://w3c.github.io/preload/
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mike at w3.org
                CC: beidson at apple.com, yoav at yoav.ws

Preload provides a declarative fetch primitive that initiates an early, high-priority, and non-render-blocking fetch and separates fetching from resource execution.
Declaratively specifies which resources (e.g., fonts) the user agent must fetch early to improve page performance.

- spec: https://w3c.github.io/preload/
- use cases: https://w3c.github.io/preload/#use-cases

Browser-engine support:

- Blink: Shipped in Chrome 50 https://developers.google.com/web/updates/2016/03/link-rel-preload?hl=en
- Edge: “Priority: Medium — Development is likely for a future release” https://developer.microsoft.com/en-us/microsoft-edge/platform/status/preload
- Gecko: Open feature bug https://bugzilla.mozilla.org/show_bug.cgi?id=1222633

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