<p class="wp-block-paragraph">There are so many factors that affect RPM (revenue per 1,000 sessions) that it can be hard to keep up with them all. But that’s no reason to miss out on potential earnings. </p> <p class="wp-block-paragraph">This guide breaks down a simple list of commonly overlooked issues that can cause your RPM to drop, with advice from our ad performance experts on how to fix them. </p> <h2 class="wp-block-heading" id="h-1-changing-your-domain-name">1. Chan