Introduction

You click a link on your website…
And instead of your content, you see:

“404 Page Not Found.”

Frustrating, right? 😐

A 404 error means the page can’t be found, even though your website is running fine. The good news? This is one of the easiest WordPress errors to fix.

Let’s break it down in simple language.

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What Is a 404 Error in WordPress?

A 404 error happens when:

• A page was deleted

• The URL was changed

• Permalink settings are broken

• The server can’t locate the requested page

Your site is not completely broken — just that specific link is.

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Most Common Causes of WordPress 404 Errors

Here are the real reasons this happens:

• Broken permalinks

• Corrupted .htaccess file

• Deleted or moved page

• Incorrect URL

• Plugin conflicts

• Website migration issues

Let’s fix them step by step 👇

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Step 1: Reset Your Permalinks (Fixes Most 404 Errors)

This is the #1 solution.

How to fix:

1. Go to WordPress Dashboard

2. Click Settings → Permalinks

3. Don’t change anything

4. Click Save Changes

That’s it.

This refreshes WordPress rewrite rules and fixes most 404 errors instantly.

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Step 2: Fix the .htaccess File

If resetting permalinks didn’t work, your .htaccess file might be corrupted.

How to fix:

1. Open File Manager or FTP

2. Find .htaccess in the root folder

3. Rename it to:

   .htaccess-old

4. Go back to Settings → Permalinks

5. Click Save Changes

WordPress will create a new .htaccess file automatically.

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Step 3: Check If the Page Was Deleted

Sometimes the page really is gone.

Check:

• Is the page still published?

• Is it moved to draft?

• Was the URL changed?

If URL changed, set up a 301 redirect from old URL to new one.

Redirects prevent SEO damage and fix broken links.

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Step 4: Clear Cache

Caching plugins and hosting cache can show old broken links.

Clear:

• Browser cache

• WordPress cache plugin

• Hosting cache

• CDN cache (if used)

Then test again.

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Step 5: Check for Plugin Conflicts

Some SEO or redirect plugins can break URL structures.

To test:

1. Disable all plugins

2. Check if 404 error disappears

3. Reactivate plugins one by one

If error returns → last activated plugin is the issue.

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Step 6: Fix 404 Errors After Site Migration

If you recently:

• Changed domain

• Installed SSL

• Moved hosting

Then URLs may be incorrect in database.

Make sure:

• Site URL is correct

• Home URL matches domain

• No HTTP/HTTPS mismatch

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Step 7: 404 Error Only on Posts (Homepage Works)

If:

• Homepage loads fine

• Posts show 404

It’s almost always a permalink or .htaccess issue.

Reset permalinks again and regenerate .htaccess.

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How 404 Errors Affect SEO

Too many 404 errors can:

• Hurt user experience

• Lower search rankings

• Increase bounce rate

Use tools like:

• Google Search Console

• Broken link checkers

Fix or redirect broken pages quickly.

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How to Prevent 404 Errors

• Avoid changing URLs without redirects

• Set up automatic 301 redirects

• Keep permalinks consistent

• Regularly check broken links

• Don’t delete important pages without redirection

Prevention protects both SEO and visitors.

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Final Thoughts

A 404 error looks serious — but most of the time, it’s just a small permalink or configuration issue.

Start with:

1. Reset permalinks

2. Regenerate .htaccess

3. Clear cache

That fixes the majority of cases.