In 2018, John Mueller of Google said Google does not use cache-manage headers when crawling. He explained then that the has no impression on GoogleBot and how it crawls your world-wide-web web pages. He reported that again currently, at the stop of 2022, but included, “at most, they may be utilized in rendering for embedded information.”
John wrote on Mastodon, “Cache management headers will not utilize to Google’s crawling & indexing, they’re for browsers.” But then he extra that “at most, they may well be utilized in rendering for embedded content material.”
The Cache-Manage HTTP header area retains directives, in each requests and responses, that regulate caching in browsers and shared caches (e.g. Proxies, CDNs). It is an HTTP header used to specify browser caching guidelines in the two customer requests and server responses.
Discussion board discussion at Mastodon.