Speedtest (the app) gives consistent results for a variety of test sites, including UofToronto, Bell Canada, Primus. All are significantly higher numbers than testmy.net (320Down, 450Up versus 190Down, 215Up on testmy.net Toronto site).

../Dave

On Fri, 25 Aug 2023 at 08:53, o1bigtenor via talk <talk@gtalug.org> wrote:
On Fri, Aug 25, 2023 at 7:39 AM Alvin Starr via talk <talk@gtalug.org> wrote:
>
> On 2023-08-24 10:50, D. Hugh Redelmeier via talk wrote:
> > Rogers and Bell have web sites for testing your internet speed.  The
> > advantage of using one should be that it is a pretty pure test of the
> > ISP's infrastructure.
> >
> I know that Bell has tuned their traffic management rules to prioritize
> speed test sites.
>
> I would be very surprised if Rogers is not also doing the same thing.
>
> The Bell and Rogers hosted sites are the most likely to take advantage
> of traffic management to enhance their stats.
> So you may get results that are close to the maximum that the network
> can support but nowhere near what the network is able to deliver under
> its current load.
>
>
> Network performance testing is best done with tools like iperf.
>
I found a website called testmy.net  that seems to do a very good job.
Gives graphing of the results and shows the variability of connection
quite well imo.

HTH
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