Example use of HttpClient - before and after.

HttpClientAfterSample.cs

namespace ConsoleApplication
{
    public class Program
    {
        private static HttpClient client = new HttpClient();

        public static async Task Main(string[] args)
        {
            Console.WriteLine("Starting connections");

            for(int i = 0; i<10; i++)
            {
                var result = await client.GetAsync("http://neekgreen.com");
                Console.WriteLine(result.StatusCode);
            }

            Console.WriteLine("Connections done");
        }
    }
}

HttpClientBeforeSample.cs

namespace ConsoleApplication
{
    public class Program
    {
        public static async Task Main(string[] args)
        {
            Console.WriteLine("Starting connections");

            for(int i = 0; i<10; i++)
            {
                using(var client = new HttpClient())
                {
                    var result = await client.GetAsync("http://neekgreen.com");
                    Console.WriteLine(result.StatusCode);
                }
            }

            Console.WriteLine("Connections done");
        }
    }
}