Internet providers caught inflating speed test results

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The following is a HTTP vs port 8080 speed test run by one of our senior reviewer Wendy in the UK. This is with BT Broadband and an ordinary single thread test. Like Talktalk, BT also operates over the Openreach FTTC VDSL network:

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BT speed test over HTTP
BT speed test over port 8080

This is exactly how an ISP should behave – There should be no significant speed variation between any two port numbers.

The following is another example, this time run at my workplace with minimal network activity at the time. This place has a 30Mbps VDSL service with an 8Mbps uplink provided by Eir Ireland. The ordinary HTTP test is on the left and port 8080 over on the right.

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Eir speed test over http
Eir speed test over port 8080

The following two are multithread tests run over this same Internet connection, the left result over HTTP and the right result over port 8080, which again shows that there should be minimal variation between the two test results:

Eir multithread test over http
Eir multithread test over http

Several other Myce staff members tested their home Internet connections and we found that most ISPs don’t discriminate between standard HTTP traffic and port 8080. The tested ISPs include Deutsche Telekom VDSL (Germany), AT&T DSL (USA), Sky Broadband ADSL2 (Ireland), and Bright House Cable (USA), which all gave very similar results on HTTP and multithread tests between the HTTP port and port 8080.

Let’s head to the next page where we take a look at two 4G mobile networks…

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