10. The method of claim 1 , comprising ranking the uniform resource locators in each of said search engine results sets and wherein comparing said first and second sets, and said second and third sets of search engine results comprises comparing only topmost number of result in each set of search results.
10. The method of claim 1 , comprising ranking the uniform resource locators in each of said search engine results sets and wherein comparing said first and second sets, and said second and third sets of search engine results comprises comparing only topmost number of result in each set of search results. 21. The method of claim 10 , wherein said ranking is based on click-through rate.