public function parseAttributes($attributes)
    {
        if($attributes) {
            $htmlMeta = ' ';
            foreach ($attributes as $key => $value) {
                // false async means no async
                if ($key == 'async' && $value == false) {
                    continue;
                }
                //convert boolean to string
                if ($value === false) {
                    $value = 'false';
                } else if ($value === true) {
                    $value = 'true';
                }

                $htmlMeta .= $key . '="' . $value . '" ';
            }
            return $htmlMeta;

        }
        return;
    }