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.
Compares your WordPress core files with the official checksums once a day and emails the administrator if any file was changed or is missing.