Do Alexa Widgets Increase Your Alexa Ranking?

Most of the people on the internet tell you that by adding Alexa widgets to your blog will dramatically increase your Alexa ranking. However, we I would like to explain you is that there are sites like UpMyRank i.e a service in which traffic is exchanged to different domains, well this service is fake and the rankings can't get higher with them. Its better to avoid them rather then wasting your