Research Shows Quality Score to Be One of the Least Valuable of Adwords Metrics
You might find that it is much better plan to completely ignore the quality score numbers for your AdWords. As you may have noticed far too many advertisers invest incredible amounts of money and time in trying to fool each other, just to raise their quality scores hoping that this will help reduce their costs per click. Despite this, quality score is still one of least vital of all AdWords metrics. You would be much better off to pay attention to the metrics that can actually make a big difference in your CPC and give a much higher ROI, instead of wasting precious time and money trying to find a single trick that will never work anyway.
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