When legacy pages reappear in search results, it usually signals a caching...

https://www.first-bookmarkings.win/when-legacy-content-starts-resurfacing-through-search-archives-it-can-confuse

When legacy pages reappear in search results, it usually signals a caching error or an overlooked archive file. These ghost pages dilute your authority and confuse users. To fix this, conduct a thorough site audit to identify these dormant assets