Error Messages that actually tell you something useful!


This Broadband Speedtest and Diagnostics Firefox extension performs automatic testing of Internet connections and provides meaningful error messages.

 

Here is what you get if you type in a nonexistent web address (www.qwqwqwqwqwqwqw.com:-)


 

Here is what you get if your Internet connection is not working (the connection was unplugged for this experiment):

 


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