Why use the dashboard for bulk actions? Professionals use WP-CLI. It’s faster, safer, and bypasses PHP execution time limits.
# Replace all URLs after moving to a new domain
wp search-replace ‘old-domain.com’ ‘new-domain.com’ –skip-columns=guid
wp search-replace ‘old-domain.com’ ‘new-domain.com’ –skip-columns=guid
# Regenerate all thumbnails in one go
wp media regenerate –yes
This is the essential tool for any developer managing more than 5 WordPress sites.