Broadband speeds have risen across the UK, but one in five postcodes still suffer from super-slow service, new figures from comparison site uSwitch.com show.
Many Lloyds TSB and Halifax customers have reported being unable to log into their online accounts this morning, though the banks say the problem is now fixed.
Ofcom has told internet service providers (ISPs) to be more upfront about broadband speeds, after an investigation found many fail to follow its code of practice.
Millions of Orange and T-Mobile customers could be left with snail-like internet speeds on their handset because their network has failed to update its systems.