MultisiteMultisite Multisite is a WordPress feature which allows users to create a network of sites on a single WordPress installation. Available since WordPress version 3.0, Multisite is a continuation of WPMU or WordPress Multiuser project. WordPress MultiUser project was discontinued and its features were included into WordPress core. Advanced Administration Handbook -> Create A Network. adds:
Storage Space 100MB Space Allowed 0MB (0%) Space Used
…and “Space Used” is green by default. It should be gray since it doesn’t denote an action has applied a positive status. Gray until the ‘almost near limit’ color kicks in.