I'm not exactly sure what you mean with "loadcomplete tool". I guess you mean metrics from the browser for a web application. You can use our real user monitoring for bringing visibility from the browser to the database for your web or mobile applications.
Please look at: https://www.dynatrace.com/support/help/user-experi...
and here is a link to metric details: https://www.dynatrace.com/support/help/user-experi...