How to Fix 404 Errors in WordPress

Find and fix 404s without slowing your site down with heavy plugins.

1. Find broken links with an external scan, not a plugin that slows your site.
2. Update links in the editor or with search-and-replace.
3. Add 301 redirects for deleted or moved URLs.
4. Re-save your permalinks if every post returns a 404.
5. Rescan to confirm the fixes.

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