Programming Tutorials

  There is no notification more dreaded by an app publisher than the email from Google AdMob:   "Ad serving is currently limited on your account." In an instant, your fill rate drops to near 0%. Your revenue flatlines. The AdMob Policy Center offers vague reasoning like "Invalid Traffic Concerns" without pointing to specific screens or code blocks. You are left guessing whether you are under attack by a bot farm or if your implementation is flawed. This is not a waiting game. Waiting for the algorithm to "re-assess" your traffic can take 30 to 60 days. To lift the restriction in under a week, you must proactively sanitize your ad requests. This guide details the technical root causes of ad limiting and provides a programmatic implementation to throttle requests and eliminate accidental clicks—the two primary triggers for this penalty. The Root Cause: Why Google Flags Your Traffic To fix the problem, you must understand the mechanism. Google’s ad fraud algo...