Fix Old Subsite URLs After Domain Mapping
Rewrites links and image URLs that still point at a site's old network address (like example.com/shop/) to its mapped domain when content is displayed.
Snippet Library
Multisite snippets for WordPress
Snippets for WordPress Multisite networks: network-wide settings, new site defaults, super admin tools and cross-site tweaks. For network administrators who manage many sites from one install.
Reserve Site Names on the Network
Blocks signups for site names you want to keep, such as shop, support or your brand names, on top of WordPress's built-in reserved list.
Site ID and Path Classes on the Body Tag
Adds classes such as site-3 and site-shop to the body tag on every network site, so one shared stylesheet can target individual sites.