How to Fix the WordPress 404 Not Found Error: Causes, Solutions & Best Practices

  • Home
  • /
  • Blog
  • /
  • How to Fix the WordPress 404 Not Found Error: Causes, Solutions & Best Practices
WordPress 404 error page with repair tools

A WordPress 404 Not Found error means the requested URL does not lead to an available website resource. The fastest fix for a site-wide WordPress 404 is resave Settings > Permalinks, because WordPress rebuilds URL rewrite rules without changing your chosen permalink structure. For isolated 404 errors, inspect the URL, repair broken links, restore deleted content, or create a relevant 301 redirect.

A migrated website may have broken rewrite rules, while a deleted page needs a different response.

What Causes a 404 Error in WordPress?

A WordPress 404 error occurs when WordPress or the web server cannot resolve the requested URL to an available page or resource. Common causes include changed permalinks, deleted pages, incorrect URLs, broken internal links, damaged .htaccess rules, plugin conflicts, theme conflicts, migration issues, and server configuration problems.

How Do You Fix a WordPress 404 Error?

To fix a WordPress 404 error, first identify whether the problem affects one URL, several URLs, or the entire site, then apply the least disruptive fix. Use the following sequence to diagnose the cause quickly.

1. Resave WordPress Permalinks

To repair broken URL rewriting, go to WordPress Dashboard > Settings > Permalinks and click Save Changes without changing the selected structure. WordPress refreshes its rewrite rules, which often resolves 404 errors that affect internal pages after migrations, permalink changes, or server changes.

After saving, test the homepage, several posts, pages, category URLs, and the WordPress admin. Clear relevant caches before testing if your website uses a caching plugin, server cache, or CDN. Do not change the permalink structure simply to trigger the refresh because an unnecessary structure change can create additional URL changes.

2. Check the .htaccess File

To repair Apache URL rewriting, inspect the root .htaccess file when resaving permalinks does not resolve the 404. The file commonly sits in the site’s document root, such as public_html, although hosting configurations vary.

Create a backup before editing .htaccess. A standard WordPress installation commonly uses rewrite rules that send requests for files and directories that do not physically exist to index.php.Custom security, caching, redirect, or hosting rules may appear alongside WordPress rules, so replacing the entire file without a backup can remove important configuration. Properly reviewing these rules is also part of efforts to secure your website

If the .htaccess file is missing or corrupted, WordPress can regenerate standard rules after you save the Permalinks settings, provided the server permits the required changes. Contact your hosting provider when Apache, LiteSpeed, permissions, or server-level configuration prevents the rules from working.

3. Clear Website and Browser Caches

To eliminate stale routing results, purge your WordPress cache, server cache, CDN cache, and browser cache before retesting a corrected URL. A cache can continue serving an older response after the underlying routing problem has been fixed.

Clear caches selectively rather than changing unrelated performance settings. Test the URL in a private browser window and from another network when possible. A 404 that appears only on one network can indicate DNS, proxy, firewall, ISP, or edge-cache behavior rather than a WordPress routing failure.

4. Check Plugins and Themes

To identify a plugin or theme conflict, deactivate plugins temporarily and test the affected URL, then reactivate plugins one at a time until the conflicting component is identified.A plugin that modifies redirects, custom post types, security rules, caching, or URL handling can produce unexpected 404 responses. Keeping plugins, themes, and configuration properly maintained is therefore an important part of maintaining a secure WordPress website. 

If dashboard access is unavailable, rename the wp-content/plugins directory through the hosting File Manager or FTP to disable plugins temporarily. Restore the original directory name after testing. Test with a default WordPress theme when plugin deactivation does not identify the cause.

Do not leave a production site on a default theme after testing. Record the active configuration before making changes so you can restore the original setup safely.

5. Check Duplicate or Changed Slugs

To resolve a URL conflict, inspect the slug for the affected page, post, category, or custom post type and confirm that the intended content owns the requested URL. Slug changes can create old URLs that return 404, while taxonomy or custom post type configuration can alter how WordPress resolves URLs.

Review recent edits, migrations, content restructuring, and permalink changes. Confirm that the URL uses the correct protocol, domain, path, spelling, capitalization behavior, and trailing-slash pattern required by the site’s configuration.

How Do You Fix Broken Links?

To fix broken links, locate every internal link that points to a 404 URL and replace the destination with the correct live URL or remove the link when no relevant destination exists. Check menus, navigation, footer links, blog posts, category pages, buttons, images, and custom templates.

Google Search Console can help identify URLs that Google discovered. Open the Page Indexing report and review the Not found (404) status. The URL Inspection tool can provide additional context for individual URLs, including how Google encountered a URL.

When Should You Use a WordPress 404 Redirect?

Use a WordPress 404 redirect when an old URL has a clear, relevant replacement that satisfies the original visitor intent. A 301 permanent redirect is appropriate when content has moved permanently, while a 302 or other temporary redirect suits a genuinely temporary condition.

A redirect should preserve relevance rather than simply prevent an error page. Redirecting unrelated URLs to the homepage can create poor user experiences and may not preserve the original page’s SEO value. A large collection of irrelevant redirects can make site maintenance harder and obscure genuine routing problems.

Should You Redirect All 404 Errors?

No, you should not redirect all 404 errors. Keep a 404 response when a URL genuinely no longer exists and no relevant replacement is available. Use a 301 redirect when a suitable equivalent page exists, and consider a 410 status when you deliberately want to communicate permanent removal.

Old URLs can remain visible in Google Search Console after content disappears because search engines may continue to revisit previously discovered URLs. A reported 404 does not automatically mean that you must create a redirect.

Prioritize 404 URLs that receive internal links, organic traffic, backlinks, or repeated visitor requests. A low-value obsolete URL with no replacement generally needs no redirect.

How Do You Create a Custom 404 Page?

To create a custom 404 page, configure your WordPress theme or page builder to display a helpful not-found template with navigation, search, and recovery options. A custom 404 page should clearly state that the requested page cannot be found and help visitors reach valid content.

What Is a Soft 404?

A soft 404 occurs when a URL appears unavailable to users but the server returns a successful HTTP status such as 200 instead of 404 or another appropriate status. Search engines can identify some soft 404 patterns and may exclude such URLs from indexing.

Check the HTTP response rather than judging the visual page alone. A custom error design is useful only when the server communicates the correct status. Your hosting environment, WordPress configuration, redirects, and plugins should work together to return the appropriate response.

How Do You Find 404 Errors in Google Search Console?

To find Google-discovered 404 URLs, open Google Search Console, select your property, and review the Page Indexing report for Not found (404) URLs. The report shows URLs Google has discovered but could not index because the requested resource returned a not-found response.

Inspect the affected URLs individually. Determine whether each URL represents a valid page, an obsolete page, a typo, a broken internal link, or an external reference. Fix only URLs that require action.

Use Validate Fix after correcting a group of reported issues when Google Search Console provides that option. Validation can take time because Google must recrawl affected URLs before confirming the current status.

What About Crawl Errors and SEO?

Crawl errors matter most when 404 responses prevent users or search engines from reaching valuable content. A few legitimate 404 responses are normal on an established website, but widespread errors can reveal broken internal architecture, migration problems, or poor URL management.

Fixing important 404s can protect link equity when relevant redirects preserve useful signals from old URLs. Redirects do not make an irrelevant destination equivalent to the original page, so relevance remains the primary decision factor.

How to Prevent WordPress 404 Errors

To prevent recurring WordPress 404 errors, control URL changes, monitor broken links, maintain redirects, and test important templates after major site changes. Understanding what website maintenance involves can help site owners build these checks into their regular workflow.  

A set of regular WordPress maintenance tasks can also help identify broken links, plugin conflicts, outdated configurations, and other issues before they create recurring URL problems. 

Best Practices for WordPress 404 Management

The best WordPress 404 strategy is selective: fix broken links, restore valuable content, redirect relevant replacements, and leave genuinely obsolete URLs as 404 or 410 responses. Avoid mass redirects to the homepage and avoid changing permalink structures simply to solve isolated errors.

A technically correct 404 page should remain accessible, useful, fast, and consistent with the website. For businesses managing WordPress sites over the long term, understanding the cost of maintaining a WordPress website can also help with budgeting for updates, monitoring, security, backups, and technical maintenance. 

Final Takeaway

The most reliable way to fix a WordPress 404 error is to diagnose the URL pattern first, refresh permalink rules, inspect rewrite configuration, test plugins and themes, repair broken links, and use redirects only when a relevant destination exists. This approach resolves genuine technical failures without creating unnecessary redirect chains or SEO problems.

Use Google Search Console to identify crawl errors, URL Inspection to investigate URLs, and 404 monitoring to detect recurring issues. Keep legitimate missing pages as 404 responses when no equivalent content exists, and maintain a useful custom 404 page for visitors who reach obsolete URLs.

Frequently Asked Questions

How do I fix a 404 not found error?

To fix a 404 not found error, identify the affected URL, resave WordPress permalinks, inspect .htaccess rules, clear caches, and repair broken links. Use a 301 redirect only when the missing URL has a directly relevant replacement that serves the original visitor intent.

What can I do to fix the 404 Not Found error in WordPress admin?

To fix a 404 error in WordPress admin, resave Permalinks first, then check plugins, themes, .htaccess, and server configuration. If dashboard access remains unavailable, disable plugins through File Manager or FTP and contact your hosting provider when server-level routing prevents admin URLs from loading.

How to bypass a 404 error?

To bypass a 404 error as a visitor, verify the URL, remove accidental characters, return to the site’s homepage, or use site search to locate the correct page. Website owners should fix the underlying URL or redirect the address rather than bypassing the error.

What does the error “404 not found” mean?

A 404 Not Found error means the server cannot provide the resource requested at the supplied URL. The URL may be incorrect, the page may have been deleted or moved, or WordPress routing may have failed; the correct response depends on the URL’s intended destination.

HowdyTech LLC Founder - Muhammad Bilal Ashraf

Bilal Ashraf

Founder at HowdyTech | Dedicated to Providing High-Performance Web Design & Maintenance for US Businesses