Place the following code in the Divi -> Theme Options -> Integration -> Head textarea.
<script> var beg_year = 2017; // Year site went live var this_year = new Date(); // Get current date var developed_by = ' | Powered by <a href="https://yourdomain.com" target="_blank">Your Development Company</a>'; // Developer info this_year = this_year.getFullYear(); if(this_year > beg_year) { var year = beg_year + ' - ' + this_year; } else { var year = this_year; } var domain = window.location.hostname; //May be place in footer info below var company = 'Company Name'; jQuery(function($){ $('#footer-info').html('© ' + year + '. ' + company + '.' + developed_by ); }); </script>