GSC links to a help page that says this: “This section of the report describes whether the page can be indexed by Google. However, a positive result is no guarantee that it will appear in Search ...

Google’s John Mueller recently provided some guidance with regards to invalid URLs on a website. An invalid URL should return a 404 error so it’s clear to Google ...

But he just said if Google sees persistent 5xx errors, Google will slow how it crawls your site. He said this in a Twitter thread. "Persistent 5xx's would cause us to crawl slower than usual," he said ...