Block Website in https

Question

This code block the website ex: http://google.com or plus.google.com but https://google.com doesn't work

e.Cancel = e.Url.Host.Contains("google");

Answer 1

private void webBrowser1_Navigating(object sender, WebBrowserNavigatingEventArgs e)
 { 
    e.Cancel = e.Url.ToString().Contains("google"); 
 }