Overview
Security Hardening: Disabling XML-RPC, changing default database prefixes, enforcing 2FA, securing wp-config.php.Database & Caching: Clearing transient logs, optimizing MySQL tables, enabling Redis Object Cache and page caching.
DNS & SSL: TTL lowering prior to migration, full SSL handshake verification, 301 wildcard redirection verification.
Analytics & Search Engines: Unchecking discourage search engines, submitting XML sitemaps to Search Console, verifying GSC ownership.