Two new sites in Hitwise Top 20

Trulia, Homegain, MSN and Redfin rise in rankings

MSN Real Estate and Redfin managed to break into the list of Top 20 real estate Web sites maintained by Hitwise in May, but no new sites have cracked the Hitwise Top 10 so far this year.

Hitwise said the Top 10 real estate Web sites grabbed 29 percent of all traffic in the category, and that the top 20 got 40 percent of traffic. The average visit to sites in the category was about 12 minutes.