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by Ed Bennett on May 23, 2012
Traffic to U.S. Hospital Web Sites (according to Hitwise)
Can you explain how you define “Visits Share”? Thank you.
The Visits Share number is the percentage of traffic a site received out of all traffic to sites in the category. Hitwise tracks 2500 web sites in the “Health and Medical – Hospitals” category, and this chart shows the top 20.
Last week, the Cancer Centers of America had almost 4% of all hospital traffic, The Cleveland Clinic had 3%, and so on.
Ed, I don’t understand why, if these hospital websites are the 20 most visited, several of them have a number larger than 20 in the “Rank 05/12″ column. Can you explain, please?
This chart shows the current top 20 hospitals out of list of over 2,200. The top ten stay fairly consistent, but lower rankings will fluctuate quite a bit.
For example, look at Rex Healthcare, the last hospital on the chart. This week 5/19, it ranked #20 out of 2,200 but on 5/12 it was #85. The week before it was #175, and four weeks ago it #134.
Thanks, Ed! Now I understand it.
How does Hitwise collect the data for hospital site traffic? Is it self-gathered, or is there a process where the hospitals submit their data individually?
Also, are all the entrants single hospital sites, or are multi-hospital system sites included in the list?
Hitwise uses sampling tools and ISP logs to gather this data. Nothing is collected directly from hospitals or other organizations. (They track all web sites – hospitals are a tiny fraction)
Details here -
I’ve compared their estimated traffic to my actual numbers using Google Analytics, and it’s close enough for general comparisons. The entrants are based on unique web addresses, so the sites on the hospital list will be a mix of individual and multi-hospital sites.
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