Bot Trap Link That Blocks Misbehaving Crawlers
Adds an invisible link that real visitors never see and well-behaved search engines are told to skip; any client that requests it anyway is blocked from the site for 24 hours.
Snippet Library
Security snippets for WordPress
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.
Prevent Deactivating Essential Plugins
Removes the Deactivate option for the plugins you list, for every user, so key functionality cannot be switched off by accident.