Remove the Core Version From Script and Style URLs
Strips ?ver= from front-end CSS and JavaScript URLs when it equals the WordPress version, hiding it from the page source. Plugin and theme versions are left alone.
Snippet Library
Snippets that harden WordPress: turn off XML-RPC, hide the version number, stop user enumeration, add security headers and block risky uploads. Small, reviewable changes for site owners who want fewer attack points without a heavy security plugin.
Strips ?ver= from front-end CSS and JavaScript URLs when it equals the WordPress version, hiding it from the page source. Plugin and theme versions are left alone.