[Webkit-unassigned] [Bug 42501] New: Provide a WebView preference to disable link prefetching

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=42501

           Summary: Provide a WebView preference to disable link
                    prefetching
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit API
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: opendarwin at lapcatsoftware.com


Link prefetching was landed in svn r63032:

http://trac.webkit.org/changeset/63032/trunk

Please add a WebView preference to disable link prefetching. This would be similar to the preference for disabling DNS prefetching landed in svn r62284:

http://trac.webkit.org/changeset/62284/trunk

Currently the link prefetching feature is protected by a header guard and not compiled in by default. Presumably, though, it will eventually be enabled for some platforms. Since the feature was requested by <rdar://problem/4158270>, Apple probably wants it on the Mac platform at some point.

There are valid reasons why a user would want to disable link prefetching, such as privacy and bandwidth. I believe that these were among the considerations that led to the feature being compiled out by default, so the considerations should continue to hold if the feature is compiled in.

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