How do I defer or async this WordPress javascript snippet to load lastly for faster page load times?

Question

I have various javascripts that are necessary plugins in one of my WordPress domains, and I know where in the php file it\'s called from.

I\'m taking every measure I

Answer 1

Very little modification code Mike Kormendy, which allows you to add 2 attributes at once:

// Async load
function add_asyncdefer_attribute($tag, $handle)
{
    $param = '';
    if ( strpos($handle, 'async') !== false ) $param = 'async ';
    if ( strpos($handle, 'defer') !== false ) $param .= 'defer ';
    if ( $param )
        return str_replace('