When legacy pages suddenly reappear in search results, it usually points to...

https://www.adirs-bookmarks.win/it-s-frustrating-when-ghost-like-versions-of-your-old-site-pop-up-in-search

When legacy pages suddenly reappear in search results, it usually points to neglected server caches or forgotten subdirectories being indexed. This creates a confusing experience for users and dilutes your domain authority