Reply To: Site title showing twice

check your function.php file with following code function twentytwelve_wp_title( $title, $sep ) {

global $paged, $page;

if ( is_feed() )

return $title;

// Add the site name.

$title .= get_bloginfo( ‘name’ );

// Add the site description for the home/front page.

$site_description = get_bloginfo( ‘description’, ‘display’ );

if ( $site_description && ( is_home() || is_front_page() ) )

$title = “$title $sep $site_description”;

// Add a page number if necessary.

if ( $paged >= 2 || $page >= 2 )

$title = “$title $sep ” . sprintf( __( ‘Page %s’, ‘twentytwelve’ ), max( $paged, $page ) );

return $title;

}

remove this lines from your function file… Problem fixed