Custom Error Pages
Create custom 401 and 403 error pages with any WordPress theme without writing a single…
Plugin Tag: 404
Better 404 Redirect To Homepage
Auto redirects all 404 error links to homepage.
404 Error Monitor
This plugin logs 404 (Page Not Found) errors on your WordPress site.
404 Page by SeedProd
Creates a Custom 404 Page for your WordPress Site.
Genesis Widgetized Not Found & 404 – Easy Setup for 404 Page and Search Not Found
Finally, use Widgets to maintain and customize your 404 Error and Search Not Found pages…
Link Finder
Find and repair broken links throughout your website.
WP Speed 404
WP Speed 404 can either suppress or log any 404 errors affecting your site under…
F4 Error Pages
With this simple plugin you can assign custom pages (with custom content etc.) as error…
Permalinks to Category/Permalinks
The plugin automatically redirects users who have accessed a blog post link without the category…
404 to 301 – Redirect, WordPress Redirection plugin By Felix Moira
Automatically redirect, log and notify all 404 page errors to any page using 301 redirect…
PRyC WP: 404 to Homepage 301 redirect
Redirect any "not found" (404) page to homepage with 301 (SEO) redirect code + Google…
Media Placeholders
Redirect requests to non-existent uploaded images to a placeholder service like placehold.it or placekitten.com. For…
Redirect 404 to parent
This plugin helps you redirect any 404 request to the parent URL.
404 Widget for Google
Add Google search capabilities to your site's 404 "page not found" template.
mg404Rewrite
This module is a workaround to use pretty permalinks without any rewrite rule.
HTD 404
This plugin will simply allow you to point to a page to serve up if…
404 Silent Salesman
Easily Create Custom 404 Page. Turn 404 traffic into profits with WooCommerce.
404 ReDirector
Simple, SEO friendly, permanent (301) and automatic redirect of 404 errors.
MP smart redirect: Simple 404 redirecter, without entering 404 pages and redirects!
Simple plugin to redirect your old URL's that give a 404 to their new URL.…
Show authors without posts
Shows the authors page even if the author has no post.