Ad Inserter Pro gives adult operators surgical control over where ad code lands on a WordPress site - before, inside, or after any HTML element, by CSS selector, on any combination of post types or devices. It handles banner rotation natively, integrates cleanly with affiliate network JavaScript tags, and the geo-targeting and device-targeting rules are exactly what adult operators need to run region-specific CPA campaigns alongside display. The free tier on WordPress.org lets you evaluate core insertion logic before committing to the Pro license.

Configuration depth is high - expect a learning curve - but once set up it replaces several weaker single-purpose plugins and cuts page weight accordingly.