How Relevant is Your Search Engine? A Comparison of Google, Yahoo, and MSN Search APIs
Google, Yahoo, and MSN control more than 90% of search market in the United States with the expectation that each of these companies serves relevant results. With this in mind, a study was designed to compare the user ratings of unbranded search results with the search rankings provided by Google, Yahoo, and MSN. The goal of this study is to give users insights about the relevancy of search engine results and the effects of branding.
Building with the API
First, an API search tool was implemented to gather user search queries during a set of information seeking tasks.
Study Design and Production
Next, users were presented with a list of the unbranded search results from all three search engines and asked to rate results as either “relevant”, “partially relevant,” or “not relevant.”
Data Analysis
Finally, data analysis was performed on all search results to compare user relevancy ratings against those provided by Google, Yahoo, and MSN.
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