2 minute readSeattle based Internet marketing firm SEOMoz launched its new Trifecta tool this week. This tool tries to measure the importance of a website, it collates a number of factors including Google Page Rank, incoming links, news articles and traffic sources – such as Alexa.

It is a pretty rough guide, but in principal it should work reasonable well. Many companies want this space, because with it comes advertisers….and they pay. Google, Yahoo and MSN are all getting in on the act as well.

This survey is all about real estate, and what they have tried to do is put together a big list of all of the major players in the market, you can read it here, however a list is provided below. Australia’s own Realestate.com.au is actually ranked number 4, which is pretty impressive.