It happens to every site: old, irrelevant pages start ranking again, hurting...

https://www.tumblr.com/weepingmountainzealot/811898073065340928/how-to-clean-up-old-content-without-tanking-your

It happens to every site: old, irrelevant pages start ranking again, hurting your current SEO authority. This is often caused by search engines rediscovering legacy files from deep archives you thought were long gone