12. A computer-implemented method of automatically identifying target web sites on which to place an advertisement, the computer-implemented method comprising: employing a processor to execute computer-executable instructions, that when executed by the processor, cause the processor to: receive a search query from a query provider, wherein the search query is related to at least one of a merchant's goods or a merchant's services, and wherein the search query is received over a computer network; generate a set of web pages with an online search engine by providing the search query to the online search engine; analyze the set of web pages to determine a value of a parameter of web page quality for one or more of the web pages of the set of web pages; provide a recommended set of web pages to the query provider, the recommended set of web pages comprising at least one web page from the set of web pages, wherein the at least one web page has a value of the parameter of web page quality that is greater than a selected threshold; monitor the recommended set of web pages to facilitate detecting whether at least a selected amount of change in content has occurred with regard to the at least one web page of the recommended set of web pages; determine whether at least the selected amount of change in content has occurred with regard to the at least one web page of the recommended set of web pages; and provide, to the query provider, an alarm message indicating that at least the selected amount of change in content has occurred with regard to the at least one web page of the recommended set of web pages to facilitate modifying target sites on which to place the advertisement; and automatically modify the recommended set of web pages based, at least, on the change in content that has occurred, wherein automatically modifying comprises automatically removing from the recommended set of web pages, the at least one web page for which the alarm message was provided to the query provider.
12. A computer-implemented method of automatically identifying target web sites on which to place an advertisement, the computer-implemented method comprising: employing a processor to execute computer-executable instructions, that when executed by the processor, cause the processor to: receive a search query from a query provider, wherein the search query is related to at least one of a merchant's goods or a merchant's services, and wherein the search query is received over a computer network; generate a set of web pages with an online search engine by providing the search query to the online search engine; analyze the set of web pages to determine a value of a parameter of web page quality for one or more of the web pages of the set of web pages; provide a recommended set of web pages to the query provider, the recommended set of web pages comprising at least one web page from the set of web pages, wherein the at least one web page has a value of the parameter of web page quality that is greater than a selected threshold; monitor the recommended set of web pages to facilitate detecting whether at least a selected amount of change in content has occurred with regard to the at least one web page of the recommended set of web pages; determine whether at least the selected amount of change in content has occurred with regard to the at least one web page of the recommended set of web pages; and provide, to the query provider, an alarm message indicating that at least the selected amount of change in content has occurred with regard to the at least one web page of the recommended set of web pages to facilitate modifying target sites on which to place the advertisement; and automatically modify the recommended set of web pages based, at least, on the change in content that has occurred, wherein automatically modifying comprises automatically removing from the recommended set of web pages, the at least one web page for which the alarm message was provided to the query provider. 13. The computer-implemented method of claim 12 , wherein the query provider comprises an advertisement broker.