The bottom line is, of course, how to analyze the HTTP problems. This is what this recipe is all about. HTTP problems can happen because of a slow server and/or client, TCP performance issues, and some other reasons that we will see in this recipe.
Analyzing HTTP problems
Getting ready
When you experience bad performance while browsing the Internet, connect the Wireshark with port mirror to the PC that experiences the problem. When it is the whole network that suffers from bad performance, port-mirror the main connection to the Internet or the web server infrastructure.