- return ((strpos($userAgent, 'spider') !== false) || (strpos($userAgent, 'slurp') !== false) || (strpos($userAgent, 'bot') !== false));
+ return ((strpos($userAgent, 'spider') !== false) || (strpos($userAgent, 'slurp') !== false) || (strpos($userAgent, 'bot') !== false) || (strpos($userAgent, 'archiver') !== false));