Even big-brand retailers rely on search engines for traffic. About 12% of Wal-Mart.com (WMT) traffic visited Google first, according to Hitwise.
But here's an interesting change and trend Tancer has spotted. Social networks, such as News Corp's (NWS) MySpace, are starting to drive traffic to retailers. In fact, Tancer says that 5% of traffic to retailers comes from social networks, with MySpace accounting for 2.5% of that traffic.
Here's where retailers are getting their shopping traffic from, according to Hitwise's Tancer:
Portal front page 4%
Social networks 5%