4. The method of claim 1 , further comprising determining that the search query is non-navigational, wherein ranking the first document relative to the second document is based on determining the search query is non-navigational.
4. The method of claim 1 , further comprising determining that the search query is non-navigational, wherein ranking the first document relative to the second document is based on determining the search query is non-navigational. 7. The method of claim 4 , further comprising: receiving a second search query; determining that the second search query is navigational; and in response to determining that the second search query is navigational, preventing determination of rankings of documents responsive to the second search query that are based on data measures of the documents.