According to research, the market share of all UK internet traffic increased from just over 10% in August to over 12% in December.
The top 20 online retail sites for December included eBay with a 29.7% share, Amazon with an 7.6% share, and Kelkoo and Argos joint third with a 2.4% share.
Computer and electronics chains Currys, Comet and PC World also fared well, accounting for around 1% each.
The most popular Christmas gift was a portable MP3 player, with the iPod and various imitators flying out of stores. As such, the traffic to iTunes and Napster saw a massive peak on Christmas Day by more than 500% and 150% respectively, as users rushed to download new music.
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