When RPM Drops Suddenly Every digital publisher dreads the moment they open their ad reports and see a sharp drop in revenue. One of the most common culprits is a drop in RPM—either Page RPM or Impression RPM. But is it something broken, or just a seasonal swing? Knowing the difference can save you from unnecessary panic—or help you act quickly to fix a hidden issue. Understanding Seasonality in Ad Revenue Advertising demand fluctuates throughout the year, just like the weather. Certain seasons bring in more ad spend, while others naturally slow down. For example, Q4 (especially November and December) is historically the strongest period, with advertisers spending heavily for holiday shopping. In contrast, January is known as the "RPM crash month" because many ad budgets reset. Signs of Seasonal RPM Drops Your traffic volume stays the same or increases, but earnings fall. You’ve seen a similar pattern around the same dates in previous years. Other publishe...