Creates a Custom 404 Page for your WordPress Site.
Create custom 401 and 403 error pages with any WordPress theme without writing a single line of code, set it up and forget it.
Improve your on-page SEO, optimize content quality, and keep your site healthy.
This plugin allows you to automatically produce 301 redirects to the home page or another URL for deleted posts and taxonomies to avoid 404 errors.
Automatically remove the bad and broken links from the view of human visitors and search engine robots.
Easily Create Custom 404 Page. Turn 404 traffic into profits with WooCommerce.
The plugin automatically redirects users who have accessed a blog post link without the category to the one which has the category and therefore avoid
Add Google search capabilities to your site's 404 "page not found" template.
This plugin will simply allow you to point to a page to serve up if you get a 404 error. Also it marks it as 404.
Redirect any "not found" (404) page to homepage with 301 (SEO) redirect code + Google Analytics (utm_source=404&utm_medium=Redirect&
SEO404 redirects to the Blog front page with a 301. No more 404 errors on Google/Bing/etc.
Create more useful 404 error pages, including email notifications for bad links.
Try to redirect 404 to new/right URL, using the URI segments to find the right page. When a page is found 301 redirect to that page.
Simple, SEO friendly, permanent (301) and automatic redirect of 404 errors.
Security plugin to protect website with firewall and antivirus scanner, brute force monitor, life system monitor
Adds WordPress compatibility for the Tracker.ly link redirection service. All your marketing links for all domains, managed in one place.
JH 404 Logger is a very simple plugin that adds a Dashboard Widget showing recent 404 urls. The widget is easy to use and Ajax powered.
Avoid any 404 errors on your WordPress-Site by redirecting the request to the closest match found in the sitemap.xml
This module is a workaround to use pretty permalinks without any rewrite rule.
Validates the URL used and if not matching the official permalink then it issues a HTTP 301 or HTTP 404 message.
Shows the authors page even if the author has no post.
Adds a meta box to the post edit screen that shows all internal links from other posts to the currently displayed post. This way you can easily check
This plugin allows you to add URL redirects through the WP admin for old content URLs. For example, you can redirect /about.html to /about/.
This is a WordPress plugin that turns your 404 "page not found" error into a page devoted to helping find missing children.
Redirect requests to non-existent uploaded images to a placeholder service like placehold.it or placekitten.com. For use during development.
An informant that works for you.
Allows you to select a page to use as the content of your 404 page.
Log and send alerts for various errors as they happen throughout your WordPress site.
Bing404 transforms your standard "We can't find that" to "Maybe one of these is what you are looking for".
Track the hits on your 404 - Not Found page