On Twitter, Google’s John Mueller replied to a post of an UK blog that implied that Google’s search quality raters have a direct impact on the rankings of a website on Google:
This post fundamentally misunderstands how Google uses raters for search quality — we've talked about that a lot of times, eg https://t.co/OMyWje5gPM and https://t.co/0PA6w6c1bM . They don't evaluate & penalize sites.— 🍌 John 🍌 (@JohnMu) 12. März 2019
What do Google’s search quality raters actually do?
Google’s search quality raters are people who assess the quality of Google’s search results manually. The data generated by Google’s quality raters is used to improves Google’s regular ranking algorithms. Google’s search quality raters use official guidelines that can be found here.
What you should do now
You don’t have to do anything special for Google’s search quality raters. Just make sure that you have a good websites with good content and good links. The SEO tools in SEOprofiler help you to create such a website: