What considerations must be taken into account when implementing scroll depth tracking to avoid negatively impacting website performance, especially on long pages?

When implementing scroll depth tracking, several considerations must be taken to avoid negatively impacting website performance, particularly on long pages. The primary concern is minimizing the frequency of scroll event listeners and data layer pushes, as these can consume significant browser resources and slow down page rendering. First, avoid firing tags on every single pixel scrolled. Instead, track scroll depth at specific percentage intervals (e.g., 25%, 50%, 75%, 100%) or at predetermined page landmarks. This reduces the number of events tracked and processed. Implement debouncing or....