With Staging Mode, you can clone your site to a staging environment without polluting the data used by WordPress.com
You can turn on Staging Mode by adding
define( 'JETPACK_STAGING_MODE', true ); to your staging site’s wp-config.php file. Make sure you add it before the
/* That's all, stop editing! Happy blogging. */ line.
Additionally, we are auto-enabling staging mode on some hosting providers, for example WP Engine. You can modify this through the
While in Staging Mode, your staging site will act like your production site in virtually all ways except no data is passed up to WordPress.com and you cannot disconnect the staging site (to prevent an issue that would lead to problems with your production site).