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CNET Mgazine, May 2025

"If you can get past the not so aesthetically pleasing design..." Cnet has been saying that about me for over 10 years. I make my design better and they still say that. They've slightly modified that article and reposted it for many years. BTW, their parent company owns ookla. Some people out there need a big green button to guide them through the process. My users don't. I realized decades ago that I'm not going to please everyone. So I really only try to please myself, in the process I think this attracts others like myself. The rest of the population can get their "GO" button elsewhere. I mean come on, I have a large button on the front page that says "Test My Internet" anyone who has a hard time figuring that out... ...probably won't make it very far in this world. Internet speed is the least of that guy's problems in life. Are people really so dumb they need a LARGE button, color coded and be as few letter as possible? They visit TMN... "Oh no! I have choices?! What's upload and download? Starting.. to.. learn. OUCH! It hurts. I'm outta here!"

Having recently moved from a deteriorating 4G service to Starlink, I tried some experimenting to see if I could get some extra upload speed. From what I've found out in this presentation, Starlink has significant uplink packet loss as well as varying latency as the satellites fly past, i.e. lowest latency directly overhead and highest when going out of view towards the horizon. As the BBR congestion control does not use packet loss as a congestion indicator and adapts well to varying latency such as cellular networks, this should work well with Starlink uploads. The Ookla Speedtest makes multiple simultaneous uploads, so it generally reports much faster upload speeds than uploading a large file, however, with the Linear test on TestMy (i.e. Multithread disabled) the difference from my testing is huge. So far I had no l luck finding any way of configuring Windows 10 or 11 to use BBR, however, this is possible with Linux with Kernel 4.9 and higher, such as much recent Linux distros. While Windows 11 supports the BBR2 congestion control, it seemed to have little to no effect on upload speeds. With a Linux root terminal: modprobe tcp_bbr Add the following lines to the end of /etc/sysctl.conf net.ipv4.tcp_congestion_control = bbr net.core.default_qdisc = fq The following is a set of 5 upload tests across 5 different servers at varying distances from my location in Ireland, the final being Sydney at the other side of the globe. I tried running a 50MB block in each, but after Germany, the CUBIC tests failed with a "Too Slow" message 😁, so used smaller blocks for those CUBIC tests. Each upload test was run on the same Windows 10 PC (CUBIC congestion control) with Linux Mint running in a Hyper-V virtual machine configured for TCP BBR. As the TCP BBR congestion control only affects uploading, for faster download speeds the remote server must use the BBR congestion control.

I would suggest that you run a few tests here at testmy.net Go ahead and post what speeds you are paying the provider for.

Another solution is to give the beta a try. Go to My Settings and toggle "Beta Test" ON. Then visit Tune ☆ and toggle "Multithread" ON. The upcoming version UI will make that Multithread toggle and Tune settings much quicker. So you can adjust those settings without navigating away or reloading the page.

Hello, I did some searching but didn't find anything else on the forums asking for this, sorry if this has already been asked. I was wondering if there would be any interest in making speed tests executable from the command line with options to output the results in json? I currently deploy a prometheus exporter on my clusters which uses speedtest.net's cli to produce prometheus metrics which I then have grafana dashboards for. Having a cli tool would make it easy for me to replicate this but with testmy.net. Thanks!

Awesome, thanks! I look forward to giving it a try.

Thanks, sure, I'd be happy to be part of the beta testers. You mention it sending the results to the database. Would you also be able to allow for the results to to be output from the cli in a machine readable format like json, so it may be consumed for other monitoring services? It wouldn't necessarily need to be the whole dataset, but the summary of the results would be very helpful. Thanks!

Early this year I was working on a CLI project, with very promising results. It's still very early. Messing around in python and C++. The program tests upload speed, download speed and latency and saves the result to TestMy.net's database. It can be controlled from the command line or you can take control using TestMy.net's interface on any device. In development I've compiled this to work on Linux, Mac, Windows. Intel and ARM. Ultimately I want to give manufactures a framework to integrate into devices. And also give consumers some cool new options, with a minimal footprint. Would you like to join the Beta Testers team? They'll be informed first when I open that up for testing.

try clearing your cache in your browser, than try & re-save. ive ran into similar issues.

I though CA3LE never slept.😁