For the forgetful ones of you, such as myself, this little snippet will provide a constant reminder of the status of the "Discourage Search Engines from indexing this site" option in the WordPress settings.

Dashboard alert for "Discourage Search Engines from indexing this site" WordPress option

<?php

/* ==========================================================================
	 A courtesy reminder that "discourage SE from indexing" is still checked
	 Place in your WordPress theme "functions.php" file or add as a plugin.
	 by Daniel McClintock (1/9/2014 @ 0100)
	 ========================================================================== */

function seo_checker() {
	$robotscheck = get_option( 'blog_public' );
	if ($robotscheck == 0 && is_admin() ) :
		echo '<span style="width:160px; text-align: center; background-color:#B32525; padding:10px 0; color:white; position:fixed; bottom:0; left:0; border-top: 4px solid #DE4C42; z-index: 15000;">Search Engines Discouraged</span>';
	else :
		echo '<span style="width:160px; text-align: center; background-color:#6CA06C; padding:10px 0; color:white; position:fixed; bottom:0; left:0; border-top: 4px solid #6EDE42; z-index: 15000;">Search Engines Allowed</span>';
	endif;
}
add_filter('admin_footer_text', 'seo_checker');

?>