This website will test for common internet problems..
http error checks..
Correctly received a 'HTTP/1.1' header from you.
For your computer to connect to any website, it must use a protocal known as 'http'. There are different http versions. The old version is http1.0, which should no longer be used. Using http1.0 can cause you some problems when accessing some websites.
If you accessing websites from work, then your internet connection is more than likely going through a 'proxy' server. Some internet problems are caused by the company proxy server not using http1.1, if your company hasnt updated their proxy server in a number of years, then you could be connecting to the internet using http1.0.
Q. What does HTTP stand for?
A. HyperText Transfer Protocol.