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Standard User 1Gopher
(newbie) Mon 22-May-17 16:15:32
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Poor speed test results since the site updated


[link to this post]
 
I used to get reasonably accurate test results before you updated the site But now my results are consistently between one third and half half of my 300Mb.

I can use another site and select the Birmingham server and get the correct results
So it would appear that it is not a Pipe issue!

If in news Groups I consistently get over my 300Mb

and My Du meter program agrees with all the tests!!

Virgin Vip 300Mbps
Administrator MrSaffron
(staff) Mon 22-May-17 16:59:14
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Re: Poor speed test results since the site updated


[re: 1Gopher] [link to this post]
 
Your tests such as http://tbb.st/1494080973874374355
http://tbb.st/1495068447724873855

All have indications that their is some contention on the connection, and in particular last week Virgin Media had a major issue with any sites linked to them via LINX

While the latency issues have been resolved it appears, it is highly probable that the path before it reaches our network is still congesting.

The new test is more sensitive to congestion, which is the whole point of running a speed test, i.e. to give people feedback on how a connection is performing. Some testers that exist are known to peak/burst speeds only, or give speeds beyond the actual connection speed.

The site change meant we went from the single thread been a custom protocol to plain old HTTP, and if a provider is having http issues then it might reflect that.

We can see other people with Virgin Media on the some browser getting 200 Mbps speeds (and look like that package based on upload) but with wide variations in the single thread.

Tester is certainly not broken e.g.
http://tbb.st/1494779969612608855
http://tbb.st/1494989676283855755
http://tbb.st/1495307612486934655

So given the known issues with Virgin Media and complaints that actually do mirror the performance our test is indicating happy to say the tester is working well.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User 1Gopher
(learned) Wed 24-May-17 01:05:36
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Re: Poor speed test results since the site updated


[re: MrSaffron] [link to this post]
 
No
This is More Accurate!
SpeedTest Result

As opposed to this Poor excuse

24-05-2017 00:02:30 (GMT)
150.7 Mbps
20.6 Mbps
Virgin Media

Virgin Vip 300Mbps


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Standard User ian72
(eat-sleep-adslguide) Wed 24-May-17 08:15:36
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Re: Poor speed test results since the site updated


[re: 1Gopher] [link to this post]
 
Did you actually read MrS's post? The fact that some of Virgin's interconnects are known to be running hot and therefore the interconnect they have that is used for the TBB traffic is congested whereas other interconnects are ok? It is more likely that it is down to the known issues with VM than a problem with the tester. You have to remember that the speed is testing everything between you and the server and that the paths taken are not the same for all destinations.
Standard User 1Gopher
(learned) Wed 24-May-17 08:29:17
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Re: Poor speed test results since the site updated


[re: ian72] [link to this post]
 
Yes I read the reply

But Still no answer to why this has ONLY occurred since the Site Revamp!

My quality Monitor has only showed Latency issues on 1 Evening in the Last 2 weeks
Just more Virgin Bashing and that Lasted for 2.5 Hours

and I don't work for them! Just a Loyal Customer of 19 Years

Virgin Vip 300Mbps
Standard User ian72
(eat-sleep-adslguide) Wed 24-May-17 08:36:05
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Re: Poor speed test results since the site updated


[re: 1Gopher] [link to this post]
 
MrS also said the new tester is more sensitive to congestion. The Virgin problem only surfaced fairly recently on some of their links. I am not bashing Virgin - it just happens they have had a problem with some interconnects, it happens to other ISPs too it just happens to be Virgin's turn at the moment. This even points to a comment from Virgin made to ISPReview confirming they had seen an issue and MrS is postulating that the congestion could be continuing signs of that.

I have no axe to grind with Virgin, never been a customer of theirs although it is possible I might be in the future as lightning may be coming to my area.
Administrator MrSaffron
(staff) Wed 24-May-17 08:56:06
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Re: Poor speed test results since the site updated


[re: 1Gopher] [link to this post]
 
Ookla system operates on a find lowest latency server system, and if provider does host data sources it will use those, so it is entirely possible you are testing to somewhere inside the Virgin Media network only.

This is why Virgin Media prefer to recommend ookla testers as they know it will almost always give a higher speed.

Are we wrong? No - but reflecting a reality where not everything is perfect. If a provider has reason to believe our tester is unfairly showing slow speeds they are free to talk to us and on network solutions are available, but to avoid skewing national statistics tests on those solutions do not feed into the national picture.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User RobertoS
(elder) Wed 24-May-17 08:56:54
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Re: Poor speed test results since the site updated


[re: 1Gopher] [link to this post]
 
Surely on a 300Mbps connection a throughput speed of 150Mbps is more likely to be correct than one of 331Mbps?

We also need to see the graph link please from your thinkbroadband test. It runs two different downstream tests following each other, and the shapes of all three graphs are an important part if diagnosing line/ISP performance.

Ookla does not provide that level of data, and is well known to discard extreme spikey values. Which makes the 331 even more suspect, as it suggests there were consistent readings above the maximum possible.

My broadband basic info/help site - www.robertos.me.uk. Domains, site and mail hosting - Tsohost.
Connection - AAISP Home::1 80/20. Sync 64513/13170Kbps @ 600m. BQMs - IPv4 & IPv6
Administrator MrSaffron
(staff) Wed 24-May-17 09:03:53
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Re: Poor speed test results since the site updated


[re: RobertoS] [link to this post]
 
NOTE: Virgin Media over provision by 10% so a speedtest of 330 Mbps is possible on a 300 Mbps connection.

The ookla algorithm is drop 30% of slowest samples and 10% of fastest samples and then deliver an average.

We store the graphs, and show the median

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User RobertoS
(elder) Wed 24-May-17 09:19:52
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Re: Poor speed test results since the site updated


[re: MrSaffron] [link to this post]
 
Thanks. I didn't know about the over-provision. We still need the poster to link to the graph.

My broadband basic info/help site - www.robertos.me.uk. Domains, site and mail hosting - Tsohost.
Connection - AAISP Home::1 80/20. Sync 64513/13170Kbps @ 600m. BQMs - IPv4 & IPv6

Edited by RobertoS (Wed 24-May-17 09:20:55)

Administrator MrSaffron
(staff) Wed 24-May-17 10:17:01
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Re: Poor speed test results since the site updated


[re: RobertoS] [link to this post]
 
http://tbb.st/148345100849783193289 Start a Jan and their best test result
http://tbb.st/148499171149530414066 Note a flash test from January

last flash test I think is the poster http://tbb.st/149021664027528451377

New version http://tbb.st/1492593114493222355 but before site change

http://tbb.st/1495465221201622655 new version with new site
http://tbb.st/1495584114552256155

Flash tester had no changes over the time period and that does show single thread not always nailing the test, of course impossible to compare that with ookla since they don't do it.

Applying Ookla system to the test at http://tbb.st/1495584114552256155 would mean we show a download of 172 Mbps and upload 20.6 Mbps plus 25ms latency and nothing else. On tests with no congestion or other issues then usually makes no difference.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User 1Gopher
(learned) Mon 04-Dec-17 10:01:22
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Re: Poor speed test results since the site updated


[re: ian72] [link to this post]
 
Very Interesting Since I have been using Opera I don't have problems!

Firefox Accurate Results

Opera Accurate Results

Chrome Accurate Results

Edge Consistently lower

Virgin Vip 300Mbps
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