1. A method for determining a rank of a URL for a search query, the method comprising: receiving a search query by a processor; receiving a URL by the processor; sending the search query to a search engine by the processor; receiving a first result set from the search engine by the processor; receiving a second result set from the search engine by the processor; determining a first rank of the URL in the first result set; determining a second rank of the URL in the second result set; determining a third rank of the URL for the search query for the search engine based on the first and second result sets and the first and second ranks, by the processor; determining a variability of the third rank of the URL for the search engine based on the first and second result sets by the processor and the first and second ranks; and generating a report including the third rank and the variability of the third rank by the processor.
1. A method for determining a rank of a URL for a search query, the method comprising: receiving a search query by a processor; receiving a URL by the processor; sending the search query to a search engine by the processor; receiving a first result set from the search engine by the processor; receiving a second result set from the search engine by the processor; determining a first rank of the URL in the first result set; determining a second rank of the URL in the second result set; determining a third rank of the URL for the search query for the search engine based on the first and second result sets and the first and second ranks, by the processor; determining a variability of the third rank of the URL for the search engine based on the first and second result sets by the processor and the first and second ranks; and generating a report including the third rank and the variability of the third rank by the processor. 3. The method as recited in claim 1 , wherein: the processor is a first processor, and the method further comprises: sending the search query to a second processor by the first processor; sending the search query to the data center by the second processor; receiving the second result set from the data center by the second processor; determining the first rank of the URL in the first result set for the search query by the first processor; and determining the second rank of the URL in the second result set for the search query by the second processor.