Throughout the Christmas shopping season, visits in the UK to online retail sites were led by Amazon Sites, which attracted a 9% share of total online retail category visits for the period, according to comScore. Apple had a 6% share, while the Home Retail Group, owner of multi-channel retailers Argos and Homebase, had a 5% share. Supermarket chain Tesco and Play.com rounded out the top five with 4% and 3% shares, respectively.