Use Jetpack to display Facebook and Twitter Profile urls with schema support. http://jetpack.me/support/social-links/ https://developers.google.com/webmasters/structured-data/customize/social-profiles

display-jetpack-facebooklink.php

<span itemscope itemtype="http://schema.org/Organization">
<link itemprop="url" href="<?php echo get_home_url(); ?>">

<?php if ( !empty( get_theme_mod( 'jetpack-facebook' ) ) ) { ?>
		<a itemprop="sameAs" class="fa fa-facebook-official fa-2x" href="<?php echo esc_url( get_theme_mod( 'jetpack-facebook' ) ); ?>"></a>
<?php } ?>

<?php if ( !empty( get_theme_mod( 'jetpack-twitter' ) ) ) { ?>
		<a itemprop="sameAs" class="fa fa-twitter-square fa-2x" href="<?php echo esc_url( get_theme_mod( 'jetpack-twitter' ) ); ?>"></a>
<?php } ?>

<?php if ( !empty( get_theme_mod( 'jetpack-linkedin' ) ) ) { ?>
		<a itemprop="sameAs" class="fa fa-linkedin-square fa-2x" href="<?php echo esc_url( get_theme_mod( 'jetpack-linkedin' ) ); ?>"></a>
<?php } ?>

<?php if ( !empty( get_theme_mod( 'jetpack-google_plus' ) ) ) { ?>
		<a itemprop="sameAs" class="fa fa-google-plus-square fa-2x" href="<?php echo esc_url( get_theme_mod( 'jetpack-google_plus' ) ); ?>"></a>
<?php } ?>

<?php if ( !empty( get_theme_mod( 'jetpack-tumblr' ) ) ) { ?>
		<a itemprop="sameAs" class="fa fa-tumblr-square fa-2x" href="<?php echo esc_url( get_theme_mod( 'jetpack-tumblr' ) ); ?>"></a>
<?php } ?>

<?php if ( !empty( get_theme_mod( 'jetpack-wporg' ) ) ) { ?>
    <a itemprop="sameAs" class="fa fa-wordpress fa-2x" href="<?php echo esc_url( get_theme_mod( 'jetpack-wporg' ) ); ?>"></a>
    <?php } ?>

</span>