Soft 404
A false 404 error: the server returns 200 OK for a missing page. How to find and fix it to avoid polluting the index.
A Soft 404 is a condition where the requested page does not exist (or has little content) but the server returns a 200 OK instead of 404 or 410. Search engines may flag it as a Soft 404 and exclude it from the index.
Why Soft 404 is a problem
Users see a 'Page not found' message, but for the bot the page exists and can be indexed. This wastes crawl budget, creates index duplicates, and degrades overall site quality in the search engine's view.
How to detect Soft 404s
In Google Search Console, the Index Coverage report shows pages flagged as Soft 404. Crawlers like Screaming Frog can also find pages with a 200 status but containing typical 'nothing found' or 'product missing' messages.
How to fix them
- Configure the server to return a true 404 or 410 status for truly non-existent pages.
- For thin-content pages, either enrich them or block indexing (noindex) / remove them.
- If a page is permanently removed, use 410 Gone — it speeds up de-indexing.
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