Old content often resurfaces through search engine caching, confusing visitors...

https://online-wiki.win/index.php/Cache_vs_Archive:_Why_Your_Deleted_Content_Isn%E2%80%99t_Actually_Gone

Old content often resurfaces through search engine caching, confusing visitors and hurting your site’s authority. When outdated pages reappear unexpectedly, they signal that your site architecture needs a tune-up