<http://schema.org/description>
"A Google AdSense post shares an old tip to AdSense publishers about how Google can return relevant ads even when there is a login required to see the ad.The issue is, Google's ad targeting feature wor"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-adsense-login-ads-14441.html>