topic Terrible Wifi Speed in Broadband

Terrible Wifi Speed

Mightyslug — Fri, 12 Dec 2025 23:07:32 GMT

paying for 500mb/s guarantee of 400. Getting around 35. Regretting giving sky a chance

Re: Terrible Wifi Speed

JimM1 — Fri, 12 Dec 2025 23:17:07 GMT

@Mightyslug What do you see for your history!

https://www.sky.com/servicechecker

Re: Terrible Wifi Speed

Mightyslug — Fri, 12 Dec 2025 23:33:28 GMT

The link seems to think all is ok but all my speed tests come back sub 100mb/s

Re: Terrible Wifi Speed

JimM1 — Fri, 12 Dec 2025 23:39:30 GMT

@Mightyslug The link shows you the daily for 30 days off history, see the post below!

Slow speed, money back for speed guarantee | Sky Community

Re: Terrible Wifi Speed

Mightyslug — Fri, 12 Dec 2025 23:44:25 GMT

Great. That shows that there is no problem. Would be great if there in fact was no problem.

Re: Terrible Wifi Speed

JimM1 — Fri, 12 Dec 2025 23:51:16 GMT

@Mightyslug It shows the speed to the hub when tested by sky, the variable is now the device that you are testing with to the hub, example on a sky max hub stand about 5 foot away from it and test, the device has to be capable off doing it on a wireless wifi connection, I have a FF500 fudge factor depending on what the family is doing i can take off about 60Mb/s and when not in peak then 500/70Mb/s. Will link a quick test in a minute!

https://www.speedtest.net/my-result/d/330f5f96-939d-481e-a230-3b96b6cd6663

Re: Terrible Wifi Speed

Mightyslug — Sat, 13 Dec 2025 00:00:05 GMT

ran the test within 5 ft of router. Still sub 100. no other devices using the network either.

Re: Terrible Wifi Speed

JimM1 — Sat, 13 Dec 2025 00:11:52 GMT

@Mightyslug When you report the 100Mb/s as the speed then the cable from the ONT to the Port4 WAN connection of the sky Hub becomes the suspect, One bad connection on that cable pulls the sync down to 100Mb/s speed interface, so therefore a wireless speed will not get above that, BUT the concerning factor is that your service checker showed all good, on the bar's.....

Unless you can Ethernet Test the sky Hub, there is just no way to know, just now it's looking like your device, it's locked on a 2.4Ghz band and on a device that will be around the 100Mb/s speed mark also!

What are you testing with, if a mobile switch it off for a few mins, back on and when up speed test again... My test was from my laptop testing sync is 1733/1733 wifi5 device connected on a 160Mhz wifi 6 AP!, Nothing to hold it back at all!

Mobile test did 377/67.7mb/s to the same server on ookla!

Re: Terrible Wifi Speed

Mightyslug — Sat, 13 Dec 2025 00:30:57 GMT

I have been running the tests on a laptop. I have connected it to the hub and reran the test.

It is significantly faster at circa 250. Still half of what it should be

Re: Terrible Wifi Speed

JimM1 — Sat, 13 Dec 2025 00:40:20 GMT

@Mightyslug Can you say what sky hub you have? Link below for the various types!

https://www.sky.com/help/articles/broadband-diagnostic-which-sky-hub

You need to get this out off your head, the bar chart you seen on the 500Mb/s, that is what your hub is getting, the speed over wireless wifi is just about how good the device is ie your laptop, and how good your sky Hub is a sending it to the device and also how busy the network is where you are and what the server your checking against is good for, plus is your speed test pushing data, ookla is well up for testing and Fast.com is just a joke most off the time....

I use Asus high speed router's and AP's there is NO sky hub on the system, they just do not cut the mustard so to speak!

Re: Terrible Wifi Speed

JimM1 — Sat, 13 Dec 2025 00:42:03 GMT

@Mightyslug Couple off real test links.

https://speed.cloudflare.com/

https://www.waveform.com/tools/bufferbloat

https://www.thinkbroadband.com/speedtest

Re: Terrible Wifi Speed

Mightyslug — Sat, 13 Dec 2025 00:42:40 GMT

I have the sky max hub.

Re: Terrible Wifi Speed

JimM1 — Sat, 13 Dec 2025 00:46:54 GMT

@Mightyslug Say no more, never used one, and never would ever!

You could try reducing the wireless security on it back from WPA3-T to the WPA2-PSK with your MySky app, you have to use it for everything, link from sky all about that!

Sky Max change settings link.
https://www.sky.com/help/articles/change-wifi-max-hub-settings-a

Re: Terrible Wifi Speed

Mightyslug — Sat, 13 Dec 2025 00:47:03 GMT

Down to 120's on all 3 platforms as the real speed.

Clearly im going to have to remove this router as it is not capable of delivering anything close to what is required.

Re: Terrible Wifi Speed

Mightyslug — Sat, 13 Dec 2025 00:47:41 GMT

Already on the WPA2 as default

Re: Terrible Wifi Speed

JimM1 — Sat, 13 Dec 2025 00:56:27 GMT

@Mightyslug Use you best device the laptop, try a few test's various times but try to stick to the same test server ookla app on windows is fine you get to keep the history, then will give you a better idea, that will cover what your home connection is like, you cannot shoot the sky Max hub until you get all the fact's.... Fact 1 your network could be real busy just now everyone watching and streaming movies etc so that is why you have to spot check same times, ie 8am, 11am 2pm, 6pm 8pm 10pm etc you need a few day's to see how and what it is like!

Re: Terrible Wifi Speed

Mightyslug — Sat, 13 Dec 2025 01:02:30 GMT

Appreciate the help.

The house is currently empty apart from myself running the tests so there isn't any traffic at the moment.

I will run a few more times over the weekend and see if it suddenly cleans up its own mess.

Re: Terrible Wifi Speed

JimM1 — Sat, 13 Dec 2025 08:42:06 GMT

@Mightyslug It's just not your home, this is what is involved with th Fibre optic connection with you so from OR Below.

1. FTTP is a contended service, up to 32 users can be sharing the 2.5Gb backhaul, so you can never expect the full speed all the time, you may get 900mb when there are fewer people using it. I expect that you are sharing the backhaul with many users. If everyone was using it fully, you may only get 78mbs. Its called statistical multiplexing, which relies on the fact that all users are not utilising their connection fully, all of the time.

BT quote up to 900mb, so you are likely to get much less than that during peak times.

Speed tests pass very little data, so normally give a much higher speed.

2. The max OR connect to a splitter is 30 ( 32 is the splitter maximum but policy is 30 ) not every CBT port provided is likely to have a customer using it , so unless on a ‘new site’ that has no alternatives to OR FTTP the actual number on a splitter is likely to be way less , OR currently have about a 30% take up, so maybe 10 users per splitter , plus the majority don’t take 900Mb but slower profiles , and the chances of those ‘on line ‘ at any one time all and doing something intensive, rather than browsing / Netflix that may be consuming less than 30-100Mb , is slim , that’s why there is a 700Mb minimum speed guarantee on 900Mb …..the 2.4Gb will be plenty ,you would have to be incredibly unlucky to have any consistent congestion.

If you suspect PON congestion, try at a time when there won’t be much activity, late evening or early morning .

Although you have tried somethings to ‘ isolate’ the problem , the most obvious thing to do ( that you haven’t apparently tried ) is use the BT router , without doing that , you haven’t really proved anything , your third party router may great , but even great routers can be mis configured or faulty