ASP Cookie Instance Tutorial

ASP Cookie Instance tutorial, the first time when someone else's website on the tips welcome you to visit this, the second visit will show welcome you back, this start do not understand, it is now known to be a cookie instance, Here's a code that accesses the record with a cookie instance user.

<%
Dim numvisits
Response.Cookies ("NumVisits"). expires=date+365
Numvisits=request.cookies ("NumVisits")

If numvisits= "" Then
Response.Cookies ("NumVisits") =1
Response.Write ("Welcome to our site.")
Else
Response.Cookies ("NumVisits") =numvisits+1
Response.Write ("Welcome Back Again")

If Numvisits=1 Then
Response.Write "Time before!"
Else
Response.Write "Times before!"
End If
End If
%>

Okay, look at the code above. Do you think cookies are useful and simple? haha.