Override the default 404 page with any page from the Admin Panel or a Custom URL.
This plugin helps you check, organize and monitor your broken backlink.
Creates a Custom 404 Page for your WordPress Site.
Define any of your WordPress pages as 404 error page
For Genesis Framework: Allows modifying of default layouts for homepage, various archive, attachment, search, 404 pages. Plus: up to 9 new layouts!
Get notified when there is some broken url or image in your website