<https://www.seoquake.com/why-google-ads-might-not-be-working-for-you/#webpage>
<http://schema.org/description>
"The ad is not displayed in the SERP, clicks, and applications are not received. Problems with contextual advertising can arise from the start or appear after several months of successful work."
<https://www.seoquake.com/blog/why-google-ads-might-not-be-working-for-you/>