This image shows what goes on behind the scenes when you request a web page. A lot of times the page you requested makes more requests. Each one of those takes a little bit of time.
You can also see that it downloads 4MB of data.
I've registered for the Bike MS: SAM'S CLUB Ride to fulfill a personal challenge, and also to help the National MS Society fund research, advocate for change and help people with MS and their families lead powerful lives. I believe in the work they do and want to be part of it.