Title: WP 404 Auto Redirect to Similar Post Author: Konrad Chmielewski Published: 28 Aprile 2017 Last modified: 21 Novembre 2025 --- Ricerca i plugin ![](https://ps.w.org/wp-404-auto-redirect-to-similar-post/assets/banner-772x250. png?rev=1972642) Questo plugin **non è stato testato con le ultime 3 versioni principali (major releases) di WordPress**. Potrebbe non essere più mantenuto, o supportato, e potrebbe presentare problemi di compatibilità se utilizzato con versioni più recenti di WordPress. ![](https://ps.w.org/wp-404-auto-redirect-to-similar-post/assets/icon-256x256.png? rev=1972642) # WP 404 Auto Redirect to Similar Post Di [Konrad Chmielewski](https://profiles.wordpress.org/hwk-fr/) [Scarica](https://downloads.wordpress.org/plugin/wp-404-auto-redirect-to-similar-post.1.0.6.zip) * [Dettagli](https://it.wordpress.org/plugins/wp-404-auto-redirect-to-similar-post/#description) * [Recensioni](https://it.wordpress.org/plugins/wp-404-auto-redirect-to-similar-post/#reviews) * [Installazione](https://it.wordpress.org/plugins/wp-404-auto-redirect-to-similar-post/#installation) * [Sviluppo](https://it.wordpress.org/plugins/wp-404-auto-redirect-to-similar-post/#developers) [Supporto](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/) ## Descrizione Welcome to WP 404 Auto Redirect to Similar Post! This plugin automatically redirect 404 pages to similar posts based on Title, Post Types & Taxonomies. If nothing similar is found, visitors will be redirected to the homepage or a custom URL. #### Features: * Automatically detect any 404. * Automatically search a similar post based on multiple factors: - Title - Potential Post Type - Potential Taxonomy * If nothing similar is found, set your Fallback Behavior: - Redirect to homepage - Redirect to a custom URL - Display the default 404 page * Choose the redirection HTTP header status: - 301 headers - 302 headers * Exclude Post Types from possible redirections. * Exclude Taxonomies from possible redirections. * Exclude Posts based on a custom post meta. * Exclude Terms based on a custom term meta. * Display the Debug Console instead of being redirected (Admin). * Preview possible redirection from the administration panel. #### *New* Features: * Expose ‘WP-404-Auto-Redirect’ headers on 404 pages. (Admin). * Log redirections in the /wp-content/debug.log file. * Create your own search engines logic. * Create your own search engines groups & fire sequence. #### *New* Engines & Groups: WP 404 Auto Redirect to Similar Post 1.0 introduces the concept of engines and groups which let you customize your own searching & matching logic. The plugin comes with 5 engines and 1 default group out of the box! Default Group Engines: 1. Fix URL Find and fix common URL mistakes. 2. Direct Match Search for a Post that perfectly match keywords. 3. Search Post Search for a similar Post. 4. Search Term Search for a similar Term. 5. Search Post: Fallback If a Post Type is set in the WP Query, redirect to the Post Type Archive. #### But Also: * Easy to Install / Uninstall. * No useless data saved in Database. * Blazing Fast Performance. #### Compatibility: WP 404 Auto Redirect to Similar Post is 100% compatible with all popular manual redirection plugins: * [Redirection](https://wordpress.org/plugins/redirection/) * [Simple 301 Redirects](https://wordpress.org/plugins/simple-301-redirects/) * [RankMath Redirections](https://wordpress.org/plugins/seo-by-rank-math/) * [Yoast Redirections](https://yoast.com/wordpress/plugins/seo/redirects-manager/) * etc… If you use one of them, but missed a manual redirection and a 404 is about to be displayed, WP 404 Auto Redirect to Similar Post will cover you. ### Reviews They talk about us! 🙂 * [Quels plugins utiliser pour corriger les erreurs 404 sous WordPress ?](https://sebastienpierrepack.com/plugins-corriger-404-wordpress/) * [6+ 404 Redirect WordPress Plugins 2018 (Free and Paid)](https://www.formget.com/404-redirect-wordpress-plugins/) * [12 Best Free SEO Plugins for WordPress](https://uproer.com/articles/best-seo-plugins-wordpress/) * [Recommended Plugins for WordPress](https://wpstuff.org/plugins/recommended-plugins-for-wordpress/) * [Top WordPress Plugins I Can’t Do Without](http://blogingenuity.com/top-wordpress-plugins-i-cant-do-without/) * [Permalink Finder Plugin is deprecated](http://bhaaratham.com/permalink-finder-plugin-sanitize_url-is-deprecated/) * [Membuat halaman Error 404 menjadi SEO friendly](https://www.seosatu.com/optimalkan-seo-dengan-halaman-404/) * [The Ultimate Guide to Starting a Travel Blog](https://www.littlemissgemtravels.com/ultimate-guide-to-starting-a-travel-blog/) * [80 Best WordPress Plugins for 2018](https://sayoho.com/80-best-wordpress-plugins-for-2018/) ## Screenshot [⌊Admin: Settings Page⌉⌊Admin: Settings Page⌉[ Admin: Settings Page [⌊Admin: Post Types⌉⌊Admin: Post Types⌉[ Admin: Post Types [⌊Admin: Taxonomies⌉⌊Admin: Taxonomies⌉[ Admin: Taxonomies [⌊Admin: Engines⌉⌊Admin: Engines⌉[ Admin: Engines [⌊Front: Debug Console⌉⌊Front: Debug Console⌉[ Front: Debug Console ## Installazione #### WordPress Install 1. Upload the plugin files to the `/wp-content/plugins/wp-404-auto-redirect-similar- post` directory, or install the plugin through the WordPress plugins screen directly. 2. Activate the plugin through the ‘Plugins’ screen in WordPress. 3. Go to Settings > WP 404 Auto Redirect to change your settings. 4. Everything is ready! Now try to trigger a 404 page! ## FAQ ### Developers: Create a Custom Group **Advanced Usage:** If you don’t know how to use filters & actions, please read the official [WordPress Plugin API](https://codex.wordpress.org/Plugin_API). ``` // Create a Group with only 3 Default Engines, and set a custom fire sequence add_action('wp404arsp/search/init', 'my_404_group'); function my_404_group($query){ wp404arsp_register_group(array( // Set Group Name 'name' => 'My Group', // Set Group Slug 'slug' => 'my_group', // Set Engines & the fire sequence 'engines' => array( 'default_post', // Add Default: Search Post Engine 'default_fix_url', // Add Default: Fix URL Engine 'default_direct', // Add Default: Default: Direct Match Engine ) )); } // Trigger the Custom Group: 'My Group' when the 404 Page URL starts with '/product/xxxx/' add_filter('wp404arsp/search/group', 'my_404_group_trigger', 10, 2); function my_404_group_trigger($group, $query){ // Developers: Print $query array for more request context // Our condition: 404 Page URL starts with '/product/xxxx/' if(preg_match('#/product/(.+?)/?$#i', $query['request']['url'])){ $group = 'my_group'; // My Group Slug } // Always return Group return $group; } ``` ### Developers: Create a Custom Engine **Advanced Usage:** If you don’t know how to use filters & actions, please read the official [WordPress Plugin API](https://codex.wordpress.org/Plugin_API). ``` // Create a Custom Engine add_action('wp404arsp/search/init', 'my_404_group_engine'); function my_404_group_engine($query){ wp404arsp_register_engine(array( // Set Engine Name 'name' => 'My Engine', // Set Engine Slug 'slug' => 'my_engine', // Set Engine Weight (Score = Keyword_Found * Weight) 'weight' => 100, // Set Primary Option (true|false). If Primary is true, then stop fire sequence if the score > 0. 'primary' => true )); // Use the engine in a new Group called 'My Group' wp404arsp_register_group(array( // Set Group Name 'name' => 'My Group', // Set Group Slug 'slug' => 'my_group', // Set Engines & the fire sequence 'engines' => array( 'my_engine', // Add My Engine ) )); } // Trigger the Custom Group: 'My Group' when the 404 Page URL starts with '/product/xxxx/' add_filter('wp404arsp/search/group', 'my_404_group_trigger', 10, 2); function my_404_group_trigger($group, $query){ // Developers: Print $query array for more request context // Our condition: 404 Page URL starts with '/product/xxxx/' if(preg_match('#/product/(.+?)/?$#i', $query['request']['url'])){ $group = 'my_group'; // My Group Slug } // Always return Group return $group; } // Define a Custom Engine Logic add_filter('wp404arsp/search/engine/my_engine', 'my_404_engine_definition', 10, 3); function my_404_engine_definition($result, $query, $group){ // Developers: Print $query array for more request context // You have access to $query & the current $group as a context for the engine logic // In this example 'My Engine' is the only engine in 'My Group' // 'My Group' is triggered when the 404 Page URL starts with '/product/xxxx/' // What we want: Search for a similar post inside a specific Post Type: 'project' // Grab all Keywords in the URL $keywords = explode('-', $query['request']['keywords']['all']); // Run Search $search = wp404arsp_search(array( 'keywords' => $keywords, // Add keywords 'mode' => 'post', // Search for Post 'post_type' => 'project', // inside Post Type: 'project' ), $query); // Found something! if($search['score'] > 0){ // Return result return array( 'score' => $search['score'], 'url' => get_permalink($search['post_id']), 'why' => "This engine is Awesome! We found a similar Product inside the Post Type project!" ); } // Nothing found :( else{ return "Mehh... No similar Product found inside the Post Type project."; } } ``` ### Developers: Manipulate existing Groups & Engines **Advanced Usage:** If you don’t know how to use filters & actions, please read the official [WordPress Plugin API](https://codex.wordpress.org/Plugin_API). ``` add_action('wp404arsp/search/init', 'my_404_manipulate_groups_and_engines'); function my_404_manipulate_groups_and_engines($query){ // Move the default engine 'Direct Match' at the end of the 'Default Group' fire Sequence wp404arsp_reorder_group_engines(array( // Target Group Slug 'group' => 'default', // Target Engine Slug 'engine' => 'default_direct', // Set new Position in fire sequence. (In this example: 4 instead of 2). 'order' => 4 )); // Register new Engines & Fire Sequence for the existing Group 'My Group' wp404arsp_register_group_engines(array( // Target Group Slug 'group' => 'my_group', // New Engines & Fire Sequence 'engines' => array( 'my_engine', // Add Custom: My Engine 'default_post' // Add Default: Search Post Engine ) )); // Deregister an existing Engine. // The engine will be removed from any Groups which use it. The engine won't be registered anymore. // Target specific Engine Slug wp404arsp_deregister_engine('my_another_engine'); } ``` ### Developers: Always use a custom Group **Advanced Usage:** If you don’t know how to use filters & actions, please read the official [WordPress Plugin API](https://codex.wordpress.org/Plugin_API). ``` // Always trigger the Custom Group 'My Group' instead of the Default Group add_filter('wp404arsp/search/group', 'my_404_group_trigger_forever', 10, 2); function my_404_group_trigger_forever($group, $query){ // Developers: Print $query array for more request context // Always return 'My Group' return 'my_group'; } ``` ### Developers: Disable the plugin initialization at some conditions **Advanced Usage:** If you don’t know how to use filters & actions, please read the official [WordPress Plugin API](https://codex.wordpress.org/Plugin_API). ``` // Do not load the plugin if the 404 URL starts with '/calendar/xxxx/' add_filter('wp404arsp/init', 'my_404_no_init', 10, 2); function my_404_no_init($init, $query){ // Developers: Print $query array for more request context if(preg_match('#/calendar/(.+?)/?$#i', $query['request']['url'])){ $init = false; } return $init; } ``` ### Developers: Send an e-mail after every redirection **Advanced Usage:** If you don’t know how to use filters & actions, please read the official [WordPress Plugin API](https://codex.wordpress.org/Plugin_API). ``` // Do something after a redirection add_action('wp404arsp/after_redirect', 'my_404_after_redirect'); function my_404_after_redirect($query){ // Developers: Print $query array for more request context // Send me an e-mail wp_mail( 'my@email.com', 'WP 404 Auto Redirect: New redirection', 'Hi! New redirection from ' . $args['request']['url'] . ' to ' . $query['redirection']['url'], array('Content-Type: text/html; charset=UTF-8') ); return; } ``` ## Recensioni ![](https://secure.gravatar.com/avatar/6b889c4da564d79d4356bb435d468e7532d4b00c6c7a30e1744ef31253bfde61? s=60&d=retro&r=g) ### 󠀁[Sehr gutes Plugin](https://wordpress.org/support/topic/sehr-gutes-plugin-111/)󠁿 [aveaventinus](https://profiles.wordpress.org/aveaventinus/) 16 Gennaio 2026 Sehr gutes Plugin, hilft bei viele Fehlermeldungen. ![](https://secure.gravatar.com/avatar/1ce400aa627b98b2c0159548a336e66fb831d2be57f173e88ab29954d372f581? s=60&d=retro&r=g) ### 󠀁[Great for automatically redirecting to similar content](https://wordpress.org/support/topic/great-for-automatically-redirecting-to-similar-content/)󠁿 [Das Capitolin](https://profiles.wordpress.org/das-capitolin/) 15 Novembre 2025 While I would like to have more granular control over results, this plugin works great right from the start. This is easily a better solution for large-count 404' s than any manual redirection tool. ![](https://secure.gravatar.com/avatar/70e633b6d1367823b4b9d1e59e9961537e64f1acc60b0721f3a00bc043a89648? s=60&d=retro&r=g) ### 󠀁[Wonderful Plugin](https://wordpress.org/support/topic/wonderful-plugin-822/)󠁿 [fotofarrago](https://profiles.wordpress.org/fotofarrago/) 6 Maggio 2025 Tried many others before finding this one actually works. ![](https://secure.gravatar.com/avatar/4006e3ad884603af01264b1a14ee0351024682cb82351bb38e20d1b4e44158be? s=60&d=retro&r=g) ### 󠀁[very excellent](https://wordpress.org/support/topic/very-excellent-21/)󠁿 [hamid26](https://profiles.wordpress.org/hamid26/) 7 Aprile 2025 very excellent ![](https://secure.gravatar.com/avatar/7e767763040bb25c3eeabb425d805e14da72476ef69e9e68c0eeddf8c260f087? s=60&d=retro&r=g) ### 󠀁[lifesaver](https://wordpress.org/support/topic/lifesaver-264/)󠁿 [bluesbrush](https://profiles.wordpress.org/bluesbrush/) 7 Febbraio 2025 thank you ![](https://secure.gravatar.com/avatar/be9b37822e74d438d0a25e341a20327d1e466eaf57bc106719ab735e924aea28? s=60&d=retro&r=g) ### 󠀁[Simple & Magnificent](https://wordpress.org/support/topic/simple-magnificent/)󠁿 [bitalicious](https://profiles.wordpress.org/bitalicious/) 4 Dicembre 2024 Great plugin: simple, capable and reliable. [ Leggi tutte le recensioni di 113 ](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/reviews/) ## Contributi e sviluppo “WP 404 Auto Redirect to Similar Post” è un software open source. Le persone che hanno contribuito allo sviluppo di questo plugin sono indicate di seguito. Collaboratori * [ Konrad Chmielewski ](https://profiles.wordpress.org/hwk-fr/) [Traduci “WP 404 Auto Redirect to Similar Post” nella tua lingua.](https://translate.wordpress.org/projects/wp-plugins/wp-404-auto-redirect-to-similar-post) ### Ti interessa lo sviluppo? [Esplora il codice](https://plugins.trac.wordpress.org/browser/wp-404-auto-redirect-to-similar-post/) segui il [repository SVN](https://plugins.svn.wordpress.org/wp-404-auto-redirect-to-similar-post/), segui il [log delle modifiche](https://plugins.trac.wordpress.org/log/wp-404-auto-redirect-to-similar-post/) tramite [RSS](https://plugins.trac.wordpress.org/log/wp-404-auto-redirect-to-similar-post/?limit=100&mode=stop_on_copy&format=rss). ## Changelog #### 1.0.6 * Fix: Escaping priority value in settings * Fix: PHP 8.3 deprecated creation of dynamic property * General: Bumped WordPress version to 6.8 #### 1.0.5 * Fix: Escaping URL in Debug Console * General: Bumped WordPress version to 6.5 #### 1.0.4 * Fix: Security issue * Fix: Fallback & Preview inputs sanitization * Improvement: Code formatting and comments * Improvement: Readme typo, code example formatting and RankMath compatibility * General: Bumped WordPress version to 6.4 #### 1.0.3 * Improvement: Enhanced search algorithm & matching #### 1.0.2 * Fix: Request sanitization compatibility for nginx servers #### 1.0.1 * Fix: Priority exception when it equals 0 * Fix: Settings page link missing from plugins page #### 1.0 * Added: Log redirections in the /wp-content/debug.log file. * Added: Expose ‘WP-404-Auto-Redirect’ headers on 404 pages. (Admin). * Added: Groups & Engines Feature. * Added: Groups & Engines Documentation & Examples (developers). * Added: Groups & Engines Admin panel. * Added: Index.php file redirecting to root domain (avoid plugin folder file listing). * Added: `action('wp404arsp/search/init', $query)` * Added: `filter('wp404arsp/search/group', $group, $query)` * Added: `filter('wp404arsp/search/query', $query)` * Added: `filter('wp404arsp/search/engine/{engine}', $result, $query, $group)` * Added: `filter('wp404arsp/search/results', $query)` * Added: `filter('wp404arsp/search/redirect', $redirect, $query)` * Improvement: Core reworked from scratch for better extensibility. * Removed: ‘Hooks’ tab #### 0.9.0.2 * Fix: Plugin priority set to 999 by debault * Added: New Filter available `('wp404arsp/init', $init, $request_uri)` * Added: Filters & Actions documentation * Added: Hooks tab documentation in Administration panel * Improvement: Plugin’s page description * Removed: Unnecessary filter `('wp404arsp/settings', $settings)` #### 0.9.0.1 * Fix: Paged request redirection “Uncaught Argument” error #### 0.9 * Fix: 302 headers option would not save * Fix: Redirection loop in some specific cases – Direct match on private posts * Fix: Ajax URL for custom `/wp-admin/` path (Preview Mode) * Added: New Filter available `('wp404arsp/settings', $settings)` * Added: New Filter available `('wp404arsp/redirect', $args, $settings)` * Added: New Action available `('wp404arsp/after_redirect', $args, $settings)` * Added: New page header ‘WP-404-Auto-Redirect: true’ on redirection * Added: Exclude posts with the post meta: `wp404arsp_no_redirect = 1` from possible redirections. * Added: Exclude terms with the term meta: `wp404arsp_no_redirect = 1` from possible redirections. * Added: Exclude one or multiple taxonomies from possible redirections. * Added: Disable Taxonomy Redirection – Never redirect to terms archives. * Added: Plugin priority – Advanced users only (Default 999). * Improvement: Revamped code * Improvement: Administration panel with tabs * Improvement: Plugin is now translation ready #### 0.7.7 * Fix: PHP header() error on upgrade * Fix: Exclude Post Type from Redirections UI & Logic * Fix: ‘Compatibility’ typo in description * Added: 999 priority on template_redirect action for compatibility * Improvement: Updated Plugin Screenshot #### 0.7.6 * Fix: Typos & added better descriptions * Fix: minor PHP Notice * Added: “Custom Redirect URL” as Fallback Behavior (Feature Request) * Added: “Exclude Post Type” Multi-select to possible redirections (Feature Request) * Improvement: Better overall request validation #### 0.7.2 * Added: Re-introduced Term search as fallback (if no similar post found) * Improvement: Direct match algorythm * Improvement: Sanitization of requests with an extension * Improvement: Post_type matching to only search “active” post_types #### 0.7.1 * Fix: Bug while displaying legacy 404 * Fix: PHP notice on preview mode * Improvement: Post Types handle * Improvement: Paged request handle #### 0.7 * Added: Settings page * Added: Debug mode for administrators (settings page) * Added: Ability to disable “Redirect to Homepage” if nothing found (Feature request) * Added: Ability to choose between 301 or 302 HTTP Headers * Added: Ability preview URL Redirections * Improvement: Reworked code #### 0.4.0.2 * Fix: Sanitization bug * Fix: Debug typo #### 0.4 * Improvement: Revamped Code * Improvement: Processing speed * Improvement: Better Post Type / Category / Taxonomy matching #### 0.3.2 * Added: Debug monitoring * Improvement: Better management of paged requests #### 0.3 * Initial Release ## Meta * Versione **1.0.6** * Ultimo aggiornamento **11 mesi fa** * Installazioni attive **30.000+** * Versione WordPress ** 4.0 o superiore ** * Testato fino alla versione **6.8.11** * Versione PHP ** 5.6 o superiore ** * Lingua * [English (US)](https://wordpress.org/plugins/wp-404-auto-redirect-to-similar-post/) * Tag * [301](https://it.wordpress.org/plugins/tags/301/)[404](https://it.wordpress.org/plugins/tags/404/) [redirect](https://it.wordpress.org/plugins/tags/redirect/)[seo](https://it.wordpress.org/plugins/tags/seo/) [similar](https://it.wordpress.org/plugins/tags/similar/) * [Visualizzazione avanzata](https://it.wordpress.org/plugins/wp-404-auto-redirect-to-similar-post/advanced/) ## Valutazioni 4.9 su 5 stelle. * [ 110 recensioni a 5-stelle ](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/reviews/?filter=5) * [ 0 recensioni a 4-stelle ](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/reviews/?filter=4) * [ 2 recensioni a 3-stelle ](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/reviews/?filter=3) * [ 0 recensioni a 2-stelle ](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/reviews/?filter=2) * [ 1 1- recensioni a stelle ](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/reviews/?filter=1) [La tua recensione](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/reviews/#new-post) [Vedi tutte le recensioni](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/reviews/) ## Collaboratori * [ Konrad Chmielewski ](https://profiles.wordpress.org/hwk-fr/) ## Supporto Problemi risolti negli ultimi due mesi: 0 su 1 [Chiedi nel forum di supporto](https://wordpress.org/support/plugin/wp-404-auto-redirect-to-similar-post/) ## Dona Vuoi supportare lo sviluppo di questo plugin? [ Fai una donazione per questo plugin ](https://hwk.fr/)