Headers of http://docs.cpuc.ca.gov/searchres.aspx?docformat=all

HTTP/1.1 200 OK
Cache-Control
private
Content-Type
text/html; charset=utf-8
Server
Microsoft-IIS/8.5
Set-Cookie
ASP.NET_SessionId=k3sti1dvpglo20cvqo5qlzok; path=/; HttpOnly
X-AspNet-Version
4.0.30319
X-Powered-By
ASP.NET
Date
Tue, 28 Jun 2016 15:25:02 GMT
Connection
close
Content-Length
41746