Not every 404 needs fixing. Google's crawler docs explain which ones matter.
Aditya Challa2 min read
To fix a 404 error, first decide whether the page should exist. If the content moved, add a permanent 301 redirect to the new URL; if it was deleted by mistake, restore it; and if it is truly gone, let it return 404 or 410. Google's documentation says it does not index URLs that return a 4xx status, and already indexed URLs that start returning 4xx are removed over time.
Do not redirect every missing page to the homepage. Search Console Help says redirecting users to another page, such as the homepage, instead of returning a 404 can be problematic; Google calls these soft 404s. It also says Google currently treats 410 the same as 404.
Keep a real 404 status code, but show search, popular posts and a link home so visitors do not leave.
Use URL Inspection in Search Console to confirm the new status, and update your sitemap.
Does a 404 hurt SEO? Google does not index URLs that return a 4xx status. True 404s for gone pages are normal; the problem is broken links people still need.
Should every 404 redirect to the homepage? No. Google treats misleading homepage redirects as soft 404s. Redirect only when there is a close matching replacement.
Is a 410 better than a 404? Google currently treats 410 the same as 404 for indexing removal.
Lab evidence
Facts in this draft were checked on 12 Oct 2026 against the primary sources listed in the body (official docs, release schedules or Google/YouTube help pages). No benchmarks or timings were run, so the post makes no performance or measurement claims; dates are quoted as published by the maintainers, and any estimate is labelled as such.
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