What that image is telling you is "must try harder". That's the sample screenshot for Thinkbroadband's quality monitor page, and shows a VDSL (Openreach) connection anyway.
Post a link to a shared, live graph. Then we'll see what's going on. Chances are that it's an over-utilisation problem due to all the home working, schooling and higher leisure use of the internet, and there's no fix other than the end of lockdown. But that's a guess until we see the BQM.
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