See Nielsen NetRatings Search
admin | September 10, 2008
Each service has unique methodology used to create popularity estimates. Avoid drawing conclusions based on one ratings services figures. See Nielsen NetRatings Search Share Puts Google On Top, Microsoft Holding Gains for further explanation of this.. This is because the pie of searches keeps growing, so even smaller slice of the pie might be more than bigger slice in the past. Consider Actual Number Of Searches While share for particular search engine might drop, the raw number of searches might still be going up and thus they might be earning more money, despite share drop.
This is because the pie of searches keeps growing, so even smaller slice of the pie might be more than bigger slice in the past. Lots of things can cause one months figures to be incomparable to another month. This means that ratings will rarely be the same between services. Its better to see the trend across multiple months in row. However, trend that you see reflected across two or more services give you faith in trusting that trend. Avoid drawing conclusions based on monthtomonth comparisons.
Tags: google, microsoft

