Directory / plugin
Old Post Alert
v1.2.0 · by Crowd Favorite
Remind your visitors about the age of old posts in the comment area - might cut down in irrelevant comments.
About this plugin
Old Post Alert shows a banner in your comments form for posts more than a month old. The banner reminds the commentor that there may be newer information available later in the blog. This may cut down on comments that are irrelevant due to more recent developments.