If you want to make a profitable business on the internet is of vital importance to know how effective their your advertising campaigns. Advertising campaigns cost much time and money, and campaigns that are not giving the expected results need to be changed or eliminated. A way to analyze and control your online advertising campaigns is through the use of autoresponders that you will be able to track the response. The autoresponders, or email marketing services, allow us not only sending newsletters, press releases, rss, etc, but are also a great measurement tool. If you hire a good service of autoreponder have access to a large amount of data on your campaigns, which, as I say, will come in very useful when it comes to measure and improve your advertising campaigns on the internet, and also when investigating markets can monitor the results through the control panel of your account’s autoresponder. The control panel will tell you how many messages were delivered and the amount of clicks that are they were among other data. Most quality autoresponders even include a feature that allows you to track many of the e-mails that have been opened. Not all email marketing services offer tracking capabilities detailed by what must make sure that the service that you purchase has these features. The study you can do with the tracking of emails goes beyond knowing the response of messages, using these you will also know that as effective are your paignas for sale or your offers and proposals.For example, if you find thousands of clicks in an email promotion, but very few clicks of the sales page to the page or the order button, you can know that the message is working, but the sales letter no. If you have never done this type of traces, I recommend you do them because it is likely that you stay very surprised by the results and possibilities to improve your work.