The quality scores that you see for each keyword in Perpetua are pulled directly from Google Ads and are determined by Google Ads.
Quality scores are calculated on a scale from 1-10, with 1 being the lowest quality, and 10 being the highest. A "--" will display when there is not yet enough data to generate a quality score.
A high quality score means that Google deems your ad and landing page are relevant and useful to someone looking at your ad. Google uses the following metrics to determine your quality score:
Expected Click-through rate
Landing page experience
Perpetua has generated the following scale to make it easy to understand the quality score for your keywords: