“Unraveling the Mystery: Is the Score from SEO Tools Critical for Your Website’s Success?
First off, no, Google does not use scores from third party SEO tools or services. It doesn’t matter whether it’s about a website’s authority or a rating about spamminess, Google doesn’t use these scores at all.
Taking a step back, while some of these scores will be useless, that doesn’t mean all of them are. Transparently calculated scores can be useful to estimate your website’s standing or to point out actual issues.