1. A computer-implemented system for migrating data for web content management (WCM) systems a first WCM platform to a second WCM platform, comprising: a first connector module in digital communication with a first WCM platform to retrieve data from the first WCM platform, the first connector module translates the retrieved data from a format for the first WCM platform to a standardized format for the system, resulting in pre-migrated standardized data; a migration engine in digital communication with the first connector module, the migration receives the standardized data from the first connector module, the migration engine transforms the pre-migrated standardized data to post-migrated standardized data, to include templates; a template mapper in digital communication with the first connector module, the template mapper identifies origin templates of the first WCM platform and creates a mapped relationship between the origin templates and target templates for the second WCM platform, for migrating templates, the template mapper is in digital communication with the migration engine to communicate the mapped relationship of the origin templates and the target template; and a second connector module in digital communication with the migration engine and with a second WCM platform, the second connector module translates the post-migrated standardized data to a format for the second WCM platform.