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

https://lunassmartinsights.weebly.com/blog/why-cached-copies-rule-the-internet-and-why-that-should-terrify-you

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