Broken Link Check and Delete or Restore Plugin
Monitors links in your posts, pages, comments, the blogroll, and custom fields (optional).
Detects links that don’t work, missing images and redirects.
Notifies you either via the Dashboard or by email.
Makes broken links display differently in posts (optional).
Prevents search engines from following broken links (optional).
You can search and filter links by URL, anchor text and so on.
Links can be edited directly from the plugin’s page, without manually updating each post.
Link Check and Delete or Restore Plugin