I love using speedtest. My FIOS at home is 25/25. And speedtest consistently hits that mark so I know FIOS is giving me what I paid for.
When Verizon was having internet issues last week my numbers were bad. Like someone else said, I would not use it much more for quick gauge. To get more granular info you should be using other tools.... > Subject: Re: Speed Test Results > From: james.cut...@consultant.com > Date: Fri, 23 Dec 2011 09:02:01 -0500 > To: nanog@nanog.org > > > On Dec 23, 2011, at 8:07 AM, Paul Stewart wrote: > > > In my opinion they are only "somewhat reliable" if they are on your network > > or very close to your network -we operate one of the speedtest.net sites and > > for our own eyeball traffic find it to be a "reasonable indicator" of what > > kind of speeds the customer is getting. > > > > To put it a different way, if a customer is getting 20X1 Internet service > > and the speedtest shows 17 X 0.8 then case closed - if they are getting a > > speedtest result of 5 X 0.5 then our helpdesk will take a further look - > > this is really in rough terms... > > > > Paul > > From the consumer viewpoint: > > No single data point should be extrapolated to infinity, but comparing > problematic behavior with "normal" behavior is a standard process across all > fields. > > Speed tests from several locations done regularly give a baseline for > performance. Major departure from expected numbers from a set of speed test > sites can be regarded as an indicator of local loop problems. Did you know > that local loops suffer from backhoe fade? And, DSLAMS fail. > > In my home office, speed tests are just another useful diagnostic helping to > locate problem areas - just like in Paul's example. DSLReports line > monitoring service is a similarly useful tool. > > James R. Cutler > james.cut...@consultant.com > > > > >