title: Why Admob mediation's ad source is showing not able to optimize?
body: <p>I have integrated admob mediation as mentioned in admob mediation developing site. But now in mediation the status of every ad networks are showing that &quot;not able to optimize&quot; that means &quot;AdMob was not able to optimize that ad source&quot;. So what should I do now to fetch ads for my android application? Point to be noted that my application is based on quiz.</p>