Are You Compliant?
Firstly what is “Interstitial”, this is an advertisement that appears while a chosen website or page is downloading.
This post will give you a complete outline on what you can and cant do when it comes to avoiding the Mobile interstitial Penalty. The quickest way to ensure you are compliant is to grab your mobile device right now and bring up your website. If you are seeing advertisements before any site content you may be at risk of free falling down Google’s search index.