Mobile user experience will be a key performance consideration for business stakeholders and IT alike. An increasing amount of website traffic will come from mobile devices according to several analyst firms. Furthermore, there are already 1 billion mobile devices worldwide. Mobile application monitoring is here to stay:
according to Google research, if you don’t have a mobile site or it’s not optimized for smartphones in some way, 61% of visitors will return to Google to find a site that is easily readable on a mobile device.
You can read more here: Don’t put off making your web site mobile friendly