Better Preview is packed with options, giving you control over how it works and behaves. Here is the full list of the options you can find in the Better Preview System Plugin Settings:

View Site Options

Display Title Link Select to convert the View Site link in the Title position to the Better Preview pulldown link.
Display Status Link Select to convert the View Site link in the Status position to the Better Preview pulldown link.
Reverse Status Link Select to reverse the order of the items in the pulldown (or pullup) in the Status position.
Show Type Select to show the link type in the list of links.
Show URL Details Select to show a clickable icon in the list of links that shows you extra URL details.

Preview Button Options

Display Editor Button Select to display an editor button.
Display Toolbar Button Select to show a button in the toolbar.
Button Text This text will be shown in the Editor Button.
Primary Button Select to give the button a primary styling.
Preview Window Width Set a fixed width in pixels for the modal popup preview window. Leave empty to use maximum width.

Advanced Options

SEF Index Timeout (hrs) The timeout in hours for the SEF Urls Index. If you experience slowness in the admin pages, increase this number.
Purge SEF Index Click to purge the SEF URLS Index.
Purge Component Cache Select to make Better Preview purge the cache of the applicable component before rendering the preview.
Default Menu ID

Select the default menu item to be used as active menu item for the url if no other matching menu id is found.

Disable on Components

Select in which frontend components NOT to enable the use of this extension.