Glenn explains that in order to improve your ROI, it’s better to focus only on a few keywords that are most relevant to your market and to optimize your site for those keywords. If you use too many keywords, it will become impossible to properly optimize your site for all those keywords. And for many of your visitors, your site (or landing page) will no longer be relevant and they will leave without taking the desired action.
Almost every day, new products are launched that promise to teach you how to succeed with Google AdWords and other PPC search engines. And it’s true, many of these products contain some very interesting tips and strategies that allow you to improve the performance of your campaigns.