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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Almost half-second stall scrolling apple.com because of synchronous getPositionInformation"
href="https://bugs.webkit.org/show_bug.cgi?id=165403">165403</a>
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<th>Summary</th>
<td>Almost half-second stall scrolling apple.com because of synchronous getPositionInformation
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>WebKit2
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>thorton@apple.com
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<pre>getPositionInformation often does a lot of work that it doesn't need to, and is called synchronously from the UI process.
We should try to minimize the work it does to only what is needed, especially when it comes to snapshotting Web content, which is very expensive.</pre>
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