Refresh

You bring a published post back up to date so it earns its traffic and its citations again. Most decaying posts don't need a rewrite. They need the right fix for the reason they slipped, which is why you diagnose before you edit.

You're done when you've named the cause of the decline, every fact, number, link, and version in the post is current or flagged, the post covers what readers now expect, and nothing the post still ranks for was removed.

Initial assessment