Visit www.alexa.com to find out the traffic ranking of any website. The lower the number the better the ranking (yahoo.com is ranked #1, google.com is ranked #2, nachi.org is ranked higher than any inspection-related site by far, etc.)
The traffic pattern is remarkable- If the site is ranked at 300,000 with only being on-line and indexed for about 1 month it should be under 50,000 within 3 months. A great site to access. It also shows that the average viewer is looking at multiple pages per site, when they visit-