Enable Admin only viewing

Line 108, add the following :

if ( current_user_can( 'manage_options' ) ) {
    		/* A user with admin privileges */'

BEFORE the closing PHP tag.

At the NEXT opening PHP tag add the following

}.

For ease of use, I have done the following:

if ( current_user_can( 'manage_options' ) ) {
    		/* A user with admin privileges */
		?>

		<div id="wp_pls">

<ul>
<li><?php printf( __( '%s queries in %s seconds.', 'wp_pls' ), $query_count, $timer_stop ); ?></li>
<li><?php printf( __( 'Average load time of %s (%s runs).', 'wp_pls' ), $average_load_time, sizeof( $load_times ) ); ?></li>
<li><?php printf( __( '%s out of %s MB (%s) memory used.', 'wp_pls' ), $memory_usage, $memory_limit, round( ( $memory_usage / $memory_limit ), 2 ) * 100 . '%' ); ?></li>
<li><?php printf( __( 'Peak memory usage %s MB.', 'wp_pls' ), $memory_peak_usage ); ?></li>
</ul>
			<div class="actions">
				<a href="void(0);">×</a>
				<a>">-</a>
			</div>
		</div>
		<?php
		} //Nick Edit - The above checks if user is an admin. If they are, shows the stats, if not, it won't.

https://www.ads-software.com/plugins/wp-page-load-stats/