Optimize Quality Score
The further right tab on the Quality Score Tracker includes two options to optimize your quality score:
Pause low quality score keywords, and
SKAG low quality score keywords
Find and Pause Low Quality Score Keywords
This optimization feature uses rule-based optimizations to find those keywords that have a low quality score, and which are not driving any conversions. You can set your custom minimum threshold for conversions and QS to find the low performing keywords, apply a label to them and pause them. You can find more details here.
SKAG Low Quality Score Keywords
Improve performance of low quality score keywords by adding them to their own single keyword ad group (SKAG).
In the Keywords tab, you'll see the top spending keywords in the account with their own particular metrics, such as how the Quality Score has changed, keyword, ad relevance and more.
With this performance information, you can choose to take one (or more) keyword and convert it to a SKAG for its optimization, by pressing the icon next to it.