Admob Interstitial matched requests is too low (~10%)

Question

Last 15 days until now, My admob interstitial unit id always get too low of matched requests. With 15000 Interstitial requests, i just got ~1500 matched (~10%).

I c

Answer 1

The best solution is to use mediation so that if Admob cannot serve an ad it falls back to other ad networks. Admob provides this out of the box, just configure the other ad networks on the Admob web page.