I know that expected CTR, ad relevance and landing landing page experience are part of the algorythm for keywords QS. So, I decided to search for Account Level Quality Score. That's what I found. The account level quality score was supposed to be an average of your overall keywords quality score (Google denied the existance of such metric). Google reported in their whitepaper on quality score that "There is no such thing as ad group-level, campaign-level or account-level Quality Score.", but also reported that "Instead of measuring new keywords from scratch, we start with info about related ads and landing pages you already have.", which may indicate that your actual performance affect new keywords performance. In 2015, WordStream posted "Sorry, Google, Account-Level Quality Score Still Exists", an article unfortunately without actual research/proof..., saying that the account level quality score exist but is hidde

I didn't find the right solution from the Internet.


References http://forums.seochat.com/google-adword ... 92586.html