Prevents WordPress from delivering full Page-Not-Found errors when the browser is not expecting a full HTML page. Saves bandwidth and improves perform …

Juergen Schulze

404 to Start

Send 404 page not found error directly to start page (or any other page/site) to overcome problems with search engines. With optional email alert.

Aaron

404 Solution

The smartest 404 plugin for WordPress - finds what your visitors were actually looking for.

Yoast

Remkus de Vries

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Creates automatic redirects for 404 traffic and page suggestions when matches are not found providing better service to your web visitors.

brohar

PF404 for PetFinder

Overrides your 404 page template and shows dogs, cats, and other animals in need of new homes and available for adoption.

klickonit

WP 404 Page Management

jamalteri

404 Redirect

Redirect all 404 errors to a specific page

RSTheme

Abdur Rashid

Ultimate Redirect Manager

Redirect users based on 404 errors, manage 301 & 302 redirects, track 404 errors, and optimize your website.

Ayesh Karunaratne

Fast 404 is a low foot-print plugin that quickly inspects an incoming HTTP request, and terminates the request as soon as possible if the request is for a non-existing resource. If the browser is expecting an HTML page (indicated by the <code>Accept</code> HTTP header), this plugin will not intercept it. For all other requests, this plugin will terminate it immediately, saving server resources and bandwidth.
When a user browser requests a resource (such as a <code>jpg</code> image, or a <code>.woff2</code> font file), the web server sends this resource if it is available in the requested location. If the file does not exist, the request is forwarded to WordPress to handle. Unless you are using a plugin that dynamically generates these files, these file-not-found requests trigger a full WordPress Page-Not-Found error page. This plugin inspects such incoming requests, and if the browser indicates that it is looking for a resource other than an HTML page, this plugin terminates the request as soon as possible to prevent WordPress from serving this request which would be a waste of resources and bandwidth. This plugin carefully makes sure that the short-circuited 404 pages (which just shows “Not Found” on a blank page) is only returned to browser asset requests, and not for end users who expect an HTML page.
By default, all HTTP requests to <code>js|css|jpg|jpeg|gif|png|webp|ico|exe|bin|dmg|woff|woff2</code> extensions will be fast 404’d. You can configure the extensions and even configure an exclusion pattern to prevent this plugin from intercepting certain requests.
This plugin is the WordPress port of <a href="https://github.com/PHPWatch/Fast404" rel="nofollow ugc">PHPWatch/Fast404</a> package.

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