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# 175846 13-Jul-2015 21:06
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There's meant to be a bunch of good things about it, testing your connection's maximum speed. More info here.

This is on Snap fiber 30/10 to Sydney





Here's LA.




Chicago



Any thoughts? Seems to register higher than speedtest.net

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  # 1342610 13-Jul-2015 21:57
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Yea that does seem like it gets better speeds than speedtest.net

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  # 1342618 13-Jul-2015 22:06
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Just tried the mobile app, its pretty gucci

 
 
 
 


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  # 1342663 13-Jul-2015 23:10
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Thought I would see if there are any differences between Firefox and Chrome.


Interestingly my Upload is far better than my download. Maybe the Npref test server had it's download bandwidth (upload from my point of view) limited to 100mbit. Has anyone else managed to get over 100mbit on the upload?

Also the website shows an address that it thins I live at. Thankfully it is wrong, But it is still in Auckland.





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  # 1342717 14-Jul-2015 08:27
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When comparing speedtest methods you really need to understand how they work.

speedtest.net does some very interesting things with data which means it can under report connection speeds.

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  # 1342913 14-Jul-2015 11:24
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sbiddle: When comparing speedtest methods you really need to understand how they work.

speedtest.net does some very interesting things with data which means it can under report connection speeds.


it can over report too.  i used to get higher than sync speeds on adsl for download.  (probably because of packet loss and suddenly lots of data in a row)

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  # 1342915 14-Jul-2015 11:25
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curiously i'm getting slightly slower upload speeds with it than speedtest.net. (10 megabit upload vdsl, the standard cap)

 
 
 
 


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  # 1342974 14-Jul-2015 13:00
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All "speedtest" sites are only as good as your understanding of them.

The weight and trust most people put in them is truly dismaying, as someone that does know how they work.

Cheers - N




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Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.


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  # 1342975 14-Jul-2015 13:03
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"The bitrate test relies on downloading binary files with multiple simultaneous connections in order to saturate your connection during a few seconds. We can then measure the bitrate accurately. The peak rate is corresponding to the average of 30% of the highest samples (50% when uploading). The average rate is calculated after having excluded 5% of the lowest and 5% of the highest samples. "

"By default, nPerf engine uses TCP mode which is more efficient because it uses sockets directly without going through the browser. To use TCP mode, you need to access remote services on TCP Port 8080 . If the TCP mode is not available (port 8080 is blocked), then test is done in HTTP mode. In this case the requests are going through the browser. This works well for bitrates up to 100 Mb/s , but beyond, this mode reaches its limits."

Now, if you people can interpret exactly what they mean by that, then by all means make comparisons between Speedtest.net results and nperf results.

Note that they haven't listed the size of the files, or the number of simultantous connections, so you can't account for TCP window size changes...

Cheers _ N




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Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.


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  # 1342977 14-Jul-2015 13:05
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I should point out that most of the sites work ok, and give 'reasonable' results, most of the time... But strange or unexpected results are frequently not indicative of network issues, and the reported numbers are VERY FREQUENTLY not indicative of the performance you can expect in many real world uses.

Cheers - N




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Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.


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  # 1343181 14-Jul-2015 16:46
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Seems to work well for me.  Their problem will be getting enough testing points around the world.  Speedtest has reached a critical mass and is available everywhere.




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