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Fixing and Preventing 404 Errors
March 2, 2026
What is a 404 Error?
A 404 error means the requested page doesn't exist. This frustrates visitors and hurts your SEO.
Causes of 404 Errors
Deleted Pages
Pages were removed without a redirect.
Typos in URLs
Mistyped links in your content.
Changed URL Structure
Permalinks were changed without redirects.
Finding 404 Errors
Google Search Console shows which URLs return 404 errors. Also check your server logs.
Solutions
301 Redirects
Point old URLs to their new locations.
Fixing Links
Correct internal links that point to non-existent pages.
A Custom 404 Page
Build a user-friendly 404 page with navigation and a search function.