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Aspiring Expert
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Message 1 of 10

Is there a better, more accurate, speed test than the BT Wholesale code?

Although the BT speedtest.btwholesale.com has been a reliable tool for years, for the last several months it consistently shows lower than expected upload and download speeds, even though the reported IP profile is always higher and usually almost double the "measured" speed.

Other speed testers, notably beta.speedtest.net and speedof.me, give upload and download speeds which are always broadly consistent with the IP profile.

Is the issue with the BT version perhaps related to use of deprecated Flash technology?  Indeed, have BT developed a Flash-independent speedtester in line with the aforementioned products?

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Alan
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Distinguished Sage
Distinguished Sage
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Message 2 of 10

Re: Is there a better, more accurate, speed test than the BT Wholesale code?

the btspeedtester has been giving incorrect results as others have posted but it appears to happen when firefox is used so can you try chrome or edge/IE and see if that helps get more accurate results

it is only test accepted by wholesale



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Aspiring Expert
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Message 3 of 10

Re: Is there a better, more accurate, speed test than the BT Wholesale code?

chromespeedtest_180401.jpgChrome shows a quite unbelievable download speed, totally inconsistent with anything ever measured on this line, especially as this is an Exchange only line with no cabinet between me and the exchange. See the image above.

 

Edge, however, does appear to be more realistic than Firefox, (and Chrome!)

edgespeedtest_180401.jpg

Both browsers, however, are showing results for speedtest.net  that are consistent with Firefox.

 

Looks like I need to use, (much against my better judgment), Edge for at least some of my online activity!

 

Hard to believe that others on this exchange, living further away, and cabinet connected get much better speeds.  Have to wonder why tbh.

 

 

 

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Alan
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Message 4 of 10

Re: Is there a better, more accurate, speed test than the BT Wholesale code?

if you want some input from the forum then post your router stats and also enter your phone number and post results  remember to delete number http://dslchecker.bt.com/adsl/adslchecker.welcome

are you currently using the test socket with a filter as that should be your best conenction whether master is filtered version or not



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Aspiring Expert
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Message 5 of 10

Re: Is there a better, more accurate, speed test than the BT Wholesale code?

The connection is via a filter inserted in an "original" socket, with no test socket built in. (Yes, they still exist!)

The feedback from that link shows that I can expect:

WBC ADSL 2+ Downstream rate - Up to 10 Downstream range - 8 to 12

which fits in with my router stats which show a downstream rate of ~ 9700

Basically, having had various conversations over the years with the excellent Belfast (?) support centre that seems to be about right for this line because it is a direct exchange connection.

So, that is not really an issue, unless and until BT apply fttc technology to exchange only lines.

My query, which you have clarified, was about the significant deterioration apparent when measuring via FireFox. Using your post as a pointer, I find that the issue has been very widely reported on various tech Forums and seems to be linked to Firefox v56 and earlier. Not sure about later versions because with the changes made by Firefox a number of my preferred, and useful, add-ons won't work on Firefox 57+. Basicallty, it's a trade-off between usability and security in my case.

Interesting that the major discrepancy using Chrome to check still exists as I have made several further sanity checks. Chrome is up-to-date, but I don't know if that issue is specific to me or more general.


Perhaps there is a case for BT to update it's technology to match current browsers.

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Alan
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Message 6 of 10

Re: Is there a better, more accurate, speed test than the BT Wholesale code?

Download a very large file and look at the download speed in Firefox or time how long it takes to download.

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Aspiring Expert
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Message 7 of 10

Re: Is there a better, more accurate, speed test than the BT Wholesale code?

I think the issue of incorrect speed test results is, in some ways, resolved.

First, the continued use by BT of Flash technology does not help. Flash is now widely deprecated, and by default, is blocked by all current browsers. The BT software does not sit well with later versions of Firefox.


I have used several different browsers and checked the BT indicated speed and the speeds measured by beta.speedtest.net and speedof.me, both of which follow modern protocols and avoid Flash.


The results are interesting to me, and perhaps they may be of interest to others reading this post.


Firefox, recent versions:

Wildly inconsistent BTspeed test readings.
beta.speedtest.net and speedof.me both gave consistent speeds at the expected level.

Pale Moon, a Firefox fork based on an earlier version of Firefox:

BTspeedtest, beta.speedtest.net and speedof.me all gave consistent speeds at the expected level.

Chrome:

BTspeedtest gave quite ridiculous and unfeasibly high speeds.
beta.speedtest.net and speedof.me both gave consistent speeds at the expected level.

Edge:

BT speedtest, beta.speedtest.net and speedof.me all gave consistent speeds at the expected level.

Conclusions.

Edge was the most consistent and accurate and PaleMoon was a close match. Firefox gave consistently low BT speedtests and Chrome was, ridiculously inaccurate.

Use Edge for getting a realistic idea of BT speeds, although the real test is, basically, does your current speed allow you to do everything you wish with no issues? If so, not much to worry about!

 

 

 

 

 

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Alan
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Aspiring Expert
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Message 8 of 10

Re: Is there a better, more accurate, speed test than the BT Wholesale code?

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Message 2 of 7
 

Download a very large file and look at the download speed in Firefox or time how long it takes to download.

Yes, this is exactly how speedof.me works. That downloads a succession of file, from 512kb, 1,2, 4 and 8Mb In the background it monitors time taken and the result is based on that.

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Alan
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Newbie
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Message 9 of 10

Re: Is there a better, more accurate, speed test than the BT Wholesale code?

I used to use BT Wholesale Speed Test but have also noticed inaccurate results since migrating away from Flash.

BBC iPlayer lists various speed checkers: https://www.bbc.co.uk/iplayer/help/speed_checker_online

I ended up using 'Broadband Speed Test'

 

 

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Aspiring Contributor
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Message 10 of 10

Re: Is there a better, more accurate, speed test than the BT Wholesale code?

##or want to say thanks for a helpful answer, please click on the Ratings 'Thumbs up' on left hand side.###

I M Jollys replies are consistently unhelpful , and ''Solved'' are very misleading .
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