The effectiveness of SEO does not work only after the items reached for the phrase. Counts above all, whether, for example 1 position on a specific keyword results in an increase in the number of hits on the page when you type. So if a high position does not translate into increased audience means that the keyword has been badly chosen.
A very good idea to verify the correctness of the keywords is to incorporate Google AdWords campaign trial, albeit at a basic level it may be too difficult. Therefore, choosing keywords pay attention to how many monthly searches for them and whether it is worth not to „beat” the competition. Tools for choosing keywords are located in the SEO tools.
To track the number of inputs and keywords that were entered in the search engines your visitors will be required statistics, such as Google Analytics.