http requests, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Net.Http;
using System.Threading.Tasks;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {           
            var results = Requests("https://www.google.com.br/", "https://pt.stackoverflow.com/").Result;
            
            foreach(KeyValuePair<string, string> pair in results)
                Console.WriteLine("{0} - {1}", pair.Key, pair.Value);
        }
        
        public static async Task<IDictionary<string, string>> Requests(params string[] urls)
        {
            var dictionary = new Dictionary<string, string>();
            
            using (var client = new HttpClient())
            {
				foreach(string url in urls)
				{
					var result = await client.GetAsync(url);                
					dictionary.Add(url, result.StatusCode.ToString());
					
					await Task.Delay(1000);
				}
            }

return dictionary;
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,17 sec, absolute running time: 3,41 sec, cpu time: 0,86 sec, average memory usage: 32 Mb, average nr of threads: 18