add code in functions.php will slow down the Execution speed?

There’s one thing here you shouldn’t do: add_filter( ‘pre_site_transient_update_core’, create_function( ‘$a’, “return null;” ) ); add_filter( ‘pre_set_site_transient_update_plugins’, create_function( ‘$a’, “return null;” ) ); add_filter( ‘pre_site_transient_update_themes’, create_function( ‘$a’, “return null;” ) ); In my testing, this slowed down the admin side of the site significantly on a fresh local install. This is because if the the … Read more