public function head($request)
    {
        $ch = curl_init();

        $this->setOptions($ch, $request->getUrlStr(), $request->getHeaders());

        // Options specific to HEAD
        curl_setopt($ch, CURLOPT_NOBODY, true);
        curl_setopt($ch, CURLOPT_HEADER, true);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'HEAD');

        $this->logger->debug("HEAD");

        return $this->execute($ch);
    }