public static function getExtConf($name, $default = null)
    {
        static $conf = null;
        $ret = $default;

        if ($conf === null) {
            // Load ext conf
            $conf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['metaseo']);
            if (!is_array($conf)) {
                $conf = array();
            }
        }

        if (isset($conf[$name])) {
            $ret = $conf[$name];
        }


        return $ret;
    }