function checkCookies(host) {
	fetch(host + '/same-site-cookies',
		{
			mode: 'cors',
			credentials: 'include'
		})
		.then(response => {
			if (response.ok) {
				return response.json();
			} else {
				alert('Error in response');
				return;
			}
		})
		.then(data => {
			if (typeof data === 'object') {
				const received = Object.keys(data).filter(key => data[key]);
				alert('Cookies received:\r\n\r\n' + received.join('\r\n'));
			} else {
				alert('No cookies received');
			}
		});
}