FlipView
When using the FlipView control in your XAML code, it's better to enable UI virtualization. The difference in performance gets more obvious as the number of items in the FlipView increases. Here's how to enable it.
<FlipView
...
VirtualizingStackPanel.VirtualizationMode="Standard">
<Flipview.ItemsPanel>
<ItemsPanelTemplate>
<VirtualizingStackPanel Orientation="Horizontal" />
</ItemsPanelTemplate>
</Flipview.ItemsPanel>
</FlipView>
...
VirtualizingStackPanel.VirtualizationMode="Standard">
<Flipview.ItemsPanel>
<ItemsPanelTemplate>
<VirtualizingStackPanel Orientation="Horizontal" />
</ItemsPanelTemplate>
</Flipview.ItemsPanel>
</FlipView>
VirtualizingStackPanel.VirtualizationMode offers two possibilities: Standard & Recycling. In case you are interested, here are their differences.