diff --git a/app/Check/Consumers/AliveCheck.php b/app/Check/Consumers/AliveCheck.php
index fa34f37..c848daa 100644
--- a/app/Check/Consumers/AliveCheck.php
+++ b/app/Check/Consumers/AliveCheck.php
@@ -16,31 +16,23 @@ class AliveCheck extends Check
 	 */
 	protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 	{
-		$client = new \GuzzleHttp\Client();
-
 		$check->beforeLastTimeout = $check->lastTimeout;
 		$check->lastTimeout = NULL;
 
-		$options = [
-			'connect_timeout' => $check::ALIVE_TIMEOUT / 1000,
-			'timeout' => 2 * $check::ALIVE_TIMEOUT / 1000,
-			'headers' => [
-				'User-Agent' => 'PeckaMonitoringBot/1.0',
-			],
-		];
+		$guzzleOptions = \Pd\Monitoring\Check\Consumers\Client\Configuration::create($check::ALIVE_TIMEOUT / 1000, 2 * $check::ALIVE_TIMEOUT / 1000);
+		if ( ! $check->followRedirect) {
+			$guzzleOptions = $guzzleOptions->withAllowRedirects(\Pd\Monitoring\Check\Consumers\Client\Configuration\AllowRedirects::create(FALSE));
+		}
+		$client = new \GuzzleHttp\Client($guzzleOptions->config());
 
 		if ($check->siteMap && ! $this->siteMapLoader) {
 			$this->siteMapLoader = new \Pd\Monitoring\Check\SiteMapLoader($check->url);
 		}
 
-		if ( ! $check->followRedirect) {
-			$options['allow_redirects'] = FALSE;
-		}
-
 		try {
 			if ($this->siteMapLoader) {
 				while ($url = $this->siteMapLoader->getNextUrl($this->lastUrl)) {
-					$loaded = $this->loadUrl($client, $options, $check, $url);
+					$loaded = $this->loadUrl($client, $check, $url);
 					if ( ! $loaded) {
 						return FALSE;
 					} else {
@@ -50,7 +42,7 @@ protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 
 				return TRUE;
 			} else {
-				$loaded = $this->loadUrl($client, $options, $check, $check->url);
+				$loaded = $this->loadUrl($client, $check, $check->url);
 				if ($loaded) {
 					return TRUE;
 				}
@@ -71,13 +63,13 @@ protected function getCheckType(): int
 	}
 
 
-	private function loadUrl(\GuzzleHttp\Client $client, array $options, \Pd\Monitoring\Check\AliveCheck $check, string $url): bool
+	private function loadUrl(\GuzzleHttp\Client $client, \Pd\Monitoring\Check\AliveCheck $check, string $url): bool
 	{
 		$start = (float) \microtime(TRUE);
 		$this->logInfo($check, \sprintf('Začínám stahovat url "%s"', $url));
 
 		try {
-			$response = $client->request('GET', $url, $options);
+			$response = $client->get($url);
 		} catch (\GuzzleHttp\Exception\GuzzleException $e) {
 			$this->logError($check, $e->getMessage());
 
diff --git a/app/Check/Consumers/CertificateCheck.php b/app/Check/Consumers/CertificateCheck.php
index d151f8d..c998074 100644
--- a/app/Check/Consumers/CertificateCheck.php
+++ b/app/Check/Consumers/CertificateCheck.php
@@ -58,16 +58,10 @@ protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 			}
 
 			try {
-				$curl = new \GuzzleHttp\Client();
-				$options = [
-					'connect_timeout' => self::TIMEOUT,
-					'timeout' => 2 * self::TIMEOUT,
-					'headers' => [
-						'User-Agent' => 'PeckaMonitoringBot/1.0',
-					],
-				];
-
-				$gradeResponse = \Nette\Utils\Json::decode((string) $curl->get($check->getSslLabsApiLink(), $options)->getBody(), \Nette\Utils\Json::FORCE_ARRAY);
+				$guzzleOptions = \Pd\Monitoring\Check\Consumers\Client\Configuration::create(self::TIMEOUT, 2 * self::TIMEOUT);
+				$client = new \GuzzleHttp\Client($guzzleOptions->config());
+
+				$gradeResponse = \Nette\Utils\Json::decode((string) $client->get($check->getSslLabsApiLink())->getBody(), \Nette\Utils\Json::FORCE_ARRAY);
 
 				if ($gradeResponse['status'] === 'READY') {
 					$check->lastGrade = NULL;
diff --git a/app/Check/Consumers/Check.php b/app/Check/Consumers/Check.php
index 660791a..a37d5de 100644
--- a/app/Check/Consumers/Check.php
+++ b/app/Check/Consumers/Check.php
@@ -61,7 +61,6 @@ public function process(\PhpAmqpLib\Message\AMQPMessage $message): int
 
 
 	/**
-	 * @param \Pd\Monitoring\Check\Check $check
 	 * @return bool TRUE, pokud se podařilo úspěšně provést kontrolu, jinak FALSE. Po FALSE může následovat opětovné spuštění kontroly
 	 */
 	abstract protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool;
diff --git a/app/Check/Consumers/ErrorsCheck.php b/app/Check/Consumers/ErrorsCheck.php
index c61d953..d53a446 100644
--- a/app/Check/Consumers/ErrorsCheck.php
+++ b/app/Check/Consumers/ErrorsCheck.php
@@ -13,24 +13,17 @@ class ErrorsCheck extends Check
 	 */
 	protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 	{
-		$client = new \GuzzleHttp\Client();
-
 		$check->errorsJson = NULL;
 
-		$options = [
-			'connect_timeout' => self::TIMEOUT,
-			'timeout' => 2 * self::TIMEOUT,
-			'headers' => [
-				'User-Agent' => 'PeckaMonitoringBot/1.0',
-			],
-		];
+		$guzzleOptions = \Pd\Monitoring\Check\Consumers\Client\Configuration::create(self::TIMEOUT, 2 * self::TIMEOUT);
+		$client = new \GuzzleHttp\Client($guzzleOptions->config());
 
 		try {
 			$start = (float) \microtime(TRUE);
 
 			$this->logInfo($check, \sprintf('Začínám stahovat url "%s" v čase %f', $check->url, $start));
 
-			$response = $client->request('GET', $check->url, $options);
+			$response = $client->get($check->url);
 
 			$this->logHeaders($check, $response);
 
diff --git a/app/Check/Consumers/HttpStatusCodeCheck.php b/app/Check/Consumers/HttpStatusCodeCheck.php
index 64d30be..768ec06 100644
--- a/app/Check/Consumers/HttpStatusCodeCheck.php
+++ b/app/Check/Consumers/HttpStatusCodeCheck.php
@@ -14,15 +14,14 @@ class HttpStatusCodeCheck extends Check
 	protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 	{
 		try {
-			$configuration =
+			$guzzleOptions =
 				\Pd\Monitoring\Check\Consumers\Client\Configuration::create(
-					2 * self::TIMEOUT,
 					self::TIMEOUT,
+					2 * self::TIMEOUT,
 					FALSE)
 				->withAllowRedirects(\Pd\Monitoring\Check\Consumers\Client\Configuration\AllowRedirects::create(FALSE))
 			;
-
-			$client = new \GuzzleHttp\Client($configuration->config());
+			$client = new \GuzzleHttp\Client($guzzleOptions->config());
 
 			try {
 				$this->logInfo($check, \sprintf('Kontrola ID "%s". Začínám stahovat url "%s".', $check->id, $check->url));
diff --git a/app/Check/Consumers/NumberValueCheck.php b/app/Check/Consumers/NumberValueCheck.php
index 731beff..c0b6562 100644
--- a/app/Check/Consumers/NumberValueCheck.php
+++ b/app/Check/Consumers/NumberValueCheck.php
@@ -13,24 +13,17 @@ class NumberValueCheck extends Check
 	 */
 	protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 	{
-		$client = new \GuzzleHttp\Client();
-
 		$check->value = NULL;
 
-		$options = [
-			'connect_timeout' => self::TIMEOUT,
-			'timeout' => 2 * self::TIMEOUT,
-			'headers' => [
-				'User-Agent' => 'PeckaMonitoringBot/1.0',
-			],
-		];
+		$guzzleOptions = \Pd\Monitoring\Check\Consumers\Client\Configuration::create(self::TIMEOUT, 2 * self::TIMEOUT);
+		$client = new \GuzzleHttp\Client($guzzleOptions->config());
 
 		try {
 			$start = (float) \microtime(TRUE);
 
 			$this->logInfo($check, \sprintf('Začínám stahovat url "%s" v čase %f', $check->url, $start));
 
-			$response = $client->request('GET', $check->url, $options);
+			$response = $client->get($check->url);
 
 			$this->logHeaders($check, $response);
 
diff --git a/app/Check/Consumers/RabbitConsumerCheck.php b/app/Check/Consumers/RabbitConsumerCheck.php
index 48858e6..ac77a6f 100644
--- a/app/Check/Consumers/RabbitConsumerCheck.php
+++ b/app/Check/Consumers/RabbitConsumerCheck.php
@@ -13,24 +13,18 @@ protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 	{
 		$check->lastConsumerCount = NULL;
 
-		try {
-			$config = [
-				'verify' => $check->validateHttps,
-			];
-			$client = new \GuzzleHttp\Client($config);
-
-			$options = [
-				'connect_timeout' => 5,
-				'timeout' => 5,
-			];
+		$guzzleOptions = \Pd\Monitoring\Check\Consumers\Client\Configuration::create(5, 5, $check->validateHttps);
+		$client = new \GuzzleHttp\Client($guzzleOptions->config());
 
+		try {
+			$options = [];
 			if ( ! empty($check->login)) {
 				$options['auth'] = [$check->login, $check->password];
 			}
 
 			$this->logInfo($check, \sprintf('Kontrola ID "%s". Začínám stahovat url "%s".', $check->id, $check->url));
 
-			$response = $client->request('GET', $check->url, $options);
+			$response = $client->get($check->url, $options);
 
 			$this->logHeaders($check, $response);
 
diff --git a/app/Check/Consumers/RabbitQueueCheck.php b/app/Check/Consumers/RabbitQueueCheck.php
index 1a4ed47..7a0ef4c 100644
--- a/app/Check/Consumers/RabbitQueueCheck.php
+++ b/app/Check/Consumers/RabbitQueueCheck.php
@@ -13,24 +13,18 @@ protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 	{
 		$check->lastMessageCount = NULL;
 
-		try {
-			$config = [
-				'verify' => $check->validateHttps,
-			];
-			$client = new \GuzzleHttp\Client($config);
-
-			$options = [
-				'connect_timeout' => 5,
-				'timeout' => 5,
-			];
+		$guzzleOptions = \Pd\Monitoring\Check\Consumers\Client\Configuration::create(5, 5, $check->validateHttps);
+		$client = new \GuzzleHttp\Client($guzzleOptions->config());
 
+		try {
+			$options = [];
 			if ( ! empty($check->login)) {
 				$options['auth'] = [$check->login, $check->password];
 			}
 
 			$this->logInfo($check, \sprintf('Kontrola ID "%s". Začínám stahovat url "%s".', $check->id, $check->url));
 
-			$response = $client->request('GET', $check->url, $options);
+			$response = $client->get($check->url, $options);
 
 			$this->logHeaders($check, $response);
 
diff --git a/app/Check/Consumers/XpathCheck.php b/app/Check/Consumers/XpathCheck.php
index f45f7d3..84e4669 100644
--- a/app/Check/Consumers/XpathCheck.php
+++ b/app/Check/Consumers/XpathCheck.php
@@ -10,24 +10,17 @@ final class XpathCheck extends Check
 	private ?string $lastUrl = NULL;
 
 
-	/**
-	 * @param \Pd\Monitoring\Check\Check|\Pd\Monitoring\Check\XpathCheck $check
-	 * @return bool
-	 */
 	protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 	{
+		if ( ! $check instanceof \Pd\Monitoring\Check\XpathCheck) {
+			throw new \Pd\Monitoring\Exception();
+		}
 		$check->xpathLastResult = NULL;
 
-		$client = new \GuzzleHttp\Client();
-
-		$options = [
-			'connect_timeout' => $check::ALIVE_TIMEOUT / 1000,
-			'timeout' => 2 * $check::ALIVE_TIMEOUT / 1000,
-			'headers' => [
-				'User-Agent' => 'PeckaMonitoringBot/1.0',
-			],
-			'allow_redirects' => TRUE,
-		];
+		$guzzleOptions = \Pd\Monitoring\Check\Consumers\Client\Configuration::create($check::ALIVE_TIMEOUT / 1000, (int) (\round(2 * ($check::ALIVE_TIMEOUT / 1000))))
+			->withAllowRedirects(\Pd\Monitoring\Check\Consumers\Client\Configuration\AllowRedirects::create(TRUE))
+		;
+		$client = new \GuzzleHttp\Client($guzzleOptions->config());
 
 		if ($check->siteMap && ! $this->siteMapLoader) {
 			$this->siteMapLoader = new \Pd\Monitoring\Check\SiteMapLoader($check->url);
@@ -37,7 +30,7 @@ protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 			if ($this->siteMapLoader) {
 				$withoutError = TRUE;
 				while ($url = $this->siteMapLoader->getNextUrl($this->lastUrl)) {
-					$loaded = $this->loadUrl($client, $options, $check, $url);
+					$loaded = $this->loadUrl($client, $check, $url);
 					if ( ! $loaded) {
 						$this->logError($check, \sprintf('Došlo k chybě na url "%s"', $url));
 						$withoutError = FALSE;
@@ -47,7 +40,7 @@ protected function doHardJob(\Pd\Monitoring\Check\Check $check): bool
 
 				return $withoutError;
 			} else {
-				$loaded = $this->loadUrl($client, $options, $check, $check->url);
+				$loaded = $this->loadUrl($client, $check, $check->url);
 				if ($loaded) {
 					return TRUE;
 				}
@@ -67,9 +60,9 @@ protected function getCheckType(): int
 	}
 
 
-	private function loadUrl(\GuzzleHttp\Client $client, array $options, \Pd\Monitoring\Check\XpathCheck $check, string $url): bool
+	private function loadUrl(\GuzzleHttp\Client $client, \Pd\Monitoring\Check\XpathCheck $check, string $url): bool
 	{
-		$response = $client->request('GET', $url, $options);
+		$response = $client->get($url);
 
 		if ($response->getStatusCode() !== 200) {
 			$this->logHeaders($check, $response);
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 88b2ab1..0182169 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -240,11 +240,6 @@ parameters:
 			count: 1
 			path: app/Check/Consumers/AliveCheck.php
 
-		-
-			message: "#^Method Pd\\\\Monitoring\\\\Check\\\\Consumers\\\\AliveCheck\\:\\:loadUrl\\(\\) has parameter \\$options with no value type specified in iterable type array\\.$#"
-			count: 1
-			path: app/Check/Consumers/AliveCheck.php
-
 		-
 			message: "#^Only booleans are allowed in a negated boolean, Pd\\\\Monitoring\\\\Check\\\\SiteMapLoader\\|null given\\.$#"
 			count: 1
@@ -460,26 +455,11 @@ parameters:
 			count: 1
 			path: app/Check/Consumers/RabbitQueueCheck.php
 
-		-
-			message: "#^Access to an undefined property Pd\\\\Monitoring\\\\Check\\\\Check\\:\\:\\$xpathLastResult\\.$#"
-			count: 1
-			path: app/Check/Consumers/XpathCheck.php
-
-		-
-			message: "#^Access to undefined constant Pd\\\\Monitoring\\\\Check\\\\Check\\:\\:ALIVE_TIMEOUT\\.$#"
-			count: 2
-			path: app/Check/Consumers/XpathCheck.php
-
 		-
 			message: "#^Cannot call method getNextUrl\\(\\) on Pd\\\\Monitoring\\\\Check\\\\SiteMapLoader\\|null\\.$#"
 			count: 1
 			path: app/Check/Consumers/XpathCheck.php
 
-		-
-			message: "#^Method Pd\\\\Monitoring\\\\Check\\\\Consumers\\\\XpathCheck\\:\\:loadUrl\\(\\) has parameter \\$options with no value type specified in iterable type array\\.$#"
-			count: 1
-			path: app/Check/Consumers/XpathCheck.php
-
 		-
 			message: "#^Only booleans are allowed in a negated boolean, Pd\\\\Monitoring\\\\Check\\\\SiteMapLoader\\|null given\\.$#"
 			count: 1
@@ -490,11 +470,6 @@ parameters:
 			count: 1
 			path: app/Check/Consumers/XpathCheck.php
 
-		-
-			message: "#^Parameter \\#3 \\$check of method Pd\\\\Monitoring\\\\Check\\\\Consumers\\\\XpathCheck\\:\\:loadUrl\\(\\) expects Pd\\\\Monitoring\\\\Check\\\\XpathCheck, Pd\\\\Monitoring\\\\Check\\\\Check given\\.$#"
-			count: 2
-			path: app/Check/Consumers/XpathCheck.php
-
 		-
 			message: "#^Only booleans are allowed in &&, string\\|null given on the left side\\.$#"
 			count: 1