We are still receiving reports from some customers about slow performance. The issues seem to be focused on a particular location and ISP - BT. We are still not seeing any issues with any of our systems but have added extra capacity as a precaution. We continue to investigate and will post updates here.
See other reports of ISP issues here: https://downdetector.co.uk/status/bt-british-telecom/news/418675-problems-at-bt/
If your ISP is BT and you're having issues, this article may help https://www.bt.com/help/broadband/fix-a-problem/broadband-and-wi-fi/ss-fix-dropping-broadband