About ad quality

Ad quality is an estimate of the experience that users have when they see your search ads.

It’s based on a number of factors, including how relevant your ad text is to searches, how likely people are to click your ad and the quality of their experience once they reach your landing page.

Higher ad quality generally leads to better performance, including better ad positions and lower cost.

It's important to note that ad quality varies with the context of every search.

What your ad quality can affect

  • Whether your ad can show: Google requires that ads meet a certain level of quality in order to show. To see why your ad might not be showing, you can use the keyword diagnosis tool.
  • Where on the search results page your ad appears: To ensure people see higher-quality ads higher on the search results page, Google considers ad quality in establishing your Ad Rank.
  • Whether extensions show: Some extensions only show above search results and must have a high enough ad quality to appear in such a high ad position.
  • How much you pay per click: Higher-quality ads typically cost less per click than lower-quality ads. If your ads are low quality, you may find that your actual CPC is close to your maximum CPC even when there is low competition for the search terms that triggered your ad. When your ads do show, you'll never be charged more than your maximum CPC for a click (unless you use automated bidding), no matter how low your ad quality.
  • How your ads perform: High-quality ads and landing pages are more likely to lead to successful clicks and conversions.

What does not impact ad quality

The following are a few common misconceptions about what affects your ad quality during the ad auction:

  • Bidding: The amount you bid may affect your Ad Rank, but it doesn’t impact the assessment of your ad quality.
  • Account structure: Moving an ad group with the same ads and keywords to another campaign or account does not impact your ad quality.
  • Frequency of ads: How often your ads show is determined by your bids, budget and keyword competition, but it does not affect your ad quality.
  • Conversions reported: Your reported conversions do not impact your ad quality.  

How to gauge and improve your ad quality

Quality Score is a diagnostic tool that can help you identify ads with a lower than average user experience. This tool gives further insights about whether you should focus on improving your Ad Relevance, click-through rate or landing page experience.

Your Quality Score is shown on a scale of 1 to 10 based on estimates of your performance compared to other advertisers.

Note that while we provide this diagnostic score to help you identify which of your ads might need quality improvements, these scores are not inputs in the ad auction. Use Quality Score to diagnose low-quality ads, rather than trying to optimise the 1–10 score you receive.

Learn more about using Quality Score to improve your performance.

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