Online sales figures in November represented 19.9% of total non-food sales in the British Retail Consortium's survey - which is a record proportion for digital sales.
The online growth was the best this year and, excluding December months, the best in three years.
The BRC said November's sales got off to a slow start but picked up in a big way in the final week.
More top news
Dr Michio Hirano denied having any financial interest in the experimental treatment considered for the baby.
The measures are set to be included in a court-mandated clean air strategy the Government is due to publish on Wednesday.
Low pressure in the Atlantic brings a spell of wet and windy weather on Wednesday.