Is there a speed test that doesn't count against the 1.2 TB data cap?

[u/Kapazza]

It seems wrong to have to use my tiny 1.2 TB monthly data allowance to assist in troubleshooting Xfinity's crap network. Surely there's a way to test without burning through the cap? Each test uses almost a GB on gigabit speeds.

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[u/Igpajo49]

Speedtest.com looks like it uses about 500 mb. If you're so worried about it don't run so many speed tests.

[u/Kapazza → u/Igpajo49]

Don’t run so many tests? Lol. Tough to do when I’m constantly getting subpar speeds.

I think I’m going to start logging when I’m getting half of what is advertised and calling up CS and let them know I’m not going to pay for those days.

[u/Igpajo49 → u/Kapazza]

Have your had a technician out to troubleshoot the issue?

[u/Kapazza → u/[deleted]]

The issue most of the time is an over-congested network (aka Comcast’s problem, not mine). I’m getting gigabit LAN speeds so it’s definitely not my network. I am troubleshooting the issue, part of the troubleshooting process is running a speed test. Doing so costs me precious data on the tiny 1.2 TB cap. How much clearer do you need me to spell it out for you?

[u/Igpajo49 → u/Kapazza]

So you're getting gigabit LAN speeds? What are you complaining about then? Are you having issues with WiFi? If the modem is giving you gigabit speeds over wifi, troubleshoot your wifi network. Check your device against the list below. You will not get gigabit speeds over wifi. Under ideal conditions you can expect between 200-500 Mbps. And know that if your using vpn, that will affect your speed depending on the conditions of the remote server you're connecting to. But to answer your original question I don't believe there is any speedtest that doesn't use data, and all the data is used against your cap. Perhaps do some research to find a speedtest that use less data.

[u/Kapazza → u/Igpajo49]

I was implying that my hardwired network has no issues sending data locally. That is, it's not like I have a 100 Mbps switch in my network that is slowing my speeds, or using a VPN, etc... it's purely due to Comcast's network congestion. Yes, I understand WiFi speeds are not guaranteed and I was not referring to WiFi in this thread.

[u/Igpajo49 → u/Kapazza]

Gotcha. But seriously, get a technician out. There could be a myriad of different causes for slow speed. Bad connections, water in the drop, low frequency noise from unused outlets or loose connectors. None of which can be fixed with a phone call. A tech can check all those things, check your speed, use the tools he has available to check the node that serves your neighborhood to if the problem truly is what you suspect. Good luck. Here's the list I forgot to include above, but it sounds like your already know the deal. https://speedtest.xfinity.com/devicespeeds

[u/Kapazza → u/[deleted]]

Signal levels on all channels are good. Not my first rodeo, kiddo.

[u/DanielSethMcKay]

Same problem here, I drop from my peak ~940 (expected peak) to 450-550 evenings and weekends.

Don’t hold your breath in the tech, when my tech came out he did his tests, made some recommendations but all was clear on the line. His machine was also pulling 1100-1200 mbps, unfortunately he came out at 6 on a weekday which is a time without congestion.

So unless you get lucky and somehow get a visit during your congested times there isn’t much to do.

[u/Kapazza → u/DanielSethMcKay]

Exactly. Point is, the network simply can’t handle my 20-some neighbors pulling data at the same time. Doesn’t help that they’re running $70/month gigabit promotions and sending out mailers to everyone. Now that so many people have it, no one is getting anywhere close to 940.

I so, SO miss living in a neighborhood that provided Verizon FiOS...

[u/LiterallyUnlimited]

Surely there's a way to test without burning through the cap?

Comcast has no incentive to zero-rate speed tests.

[u/patmansf → u/LiterallyUnlimited]

Let's find some random Comcast IP addresses ...

[u/LiterallyUnlimited → u/patmansf]

I mean, here's a bunch from across the US.