Google’s John Mueller said when it comes to crawl budget, it is possible that Google may group your subdomains together for crawl budget purposes. John explained “our systems try to figure out which infrastructure belongs together.”

Some may have thought Google will have different crawl budget allocations per domain, subdomain and so forth. But it really depends on the site, Google may or may not group all your subdomains on the same domain for crawl budget purposes.

Here are those tweets:

Forum discussion at Twitter.