How can you effectively manage Soft 404 pages without hurting your crawl budget?

What is a Soft 404 and why does Google detect it?

A Soft 404 occurs when a page returns an HTTP 200 (success) status while displaying content indicating that the resource does not exist or is no longer available. Typically: an out-of-stock product page with a message "This product is no longer available," an empty results page, or content too sparse to be deemed useful.

Google detects these situations through semantic analysis of the content. If the bot finds that the page offers no substantial information despite a 200 code, it marks it as a Soft 404 in Search Console. The issue? Googlebot cannot determine if this page will return with content or if it is permanently empty.

How do Soft 404s cause problems for crawling and indexing?

Each Soft 404 consumes crawl budget without providing value. The bot must frequently return to check if content has reappeared, whereas a true 404 clearly directs it to move on. On a site with 50,000 pages and 5,000 Soft 404s, that's 10% of the crawl going to waste.

On the indexing front, Google may choose to deindex these pages on its own, but the timing remains unpredictable. You lose control over what should or shouldn't appear in the index. Worse: some legitimate but thin pages may be mistakenly classified as Soft 404, creating false positives.

Why does Google emphasize a clear signal now?

Johannes Müller’s statement reflects a desire for standardization of HTTP signals. Google prefers explicit status codes rather than having to semantically interpret every page. It's less costly in crawl resources and reduces misinterpretation errors.

Noindex appears here as an alternative to 404 for cases where you want to keep the page accessible (for example, a product sheet that is temporarily unavailable but still viewable). You maintain control over the user experience while clearly signaling to Google not to index.

• Soft 404s create ambiguity between temporarily empty content and pages that are permanently valueless
• They consume crawl budget unnecessarily as Googlebot must recrawl to check status
• Google may deindex these pages unpredictably, causing you to lose control
• Clear HTTP signals (404, 410, noindex) allow for finer and more predictable management
• Noindex provides an alternative when you want to keep the page accessible without indexing it

Does this recommendation align with real-world observations?

Yes, and it's advice that SEOs have been echoing for years. E-commerce sites with dynamic catalogs are the most affected: out-of-stock products, stock shortages, seasonal variations. In practice, sites that clean up their Soft 404s see improvements in crawl budget and sometimes an indirect boost to active pages.

But there's a catch: Google has never specified the exact threshold that triggers Soft 404 classification. Is a page with 50 words too thin? And 80? This gray area creates false positives. I've seen temporarily empty category pages (filter with no results) classified as Soft 404 when they came back to life the next day. [To verify]: Google has never communicated the precise detection criteria.

Is noindex really equivalent to a 404 in this context?

No, and this is where the statement lacks nuance. A 404 signals an error: the resource does not exist, has never existed, or has disappeared. A noindex says: the page exists, it is accessible, but do not index it. The UX and SEO implications are different.

Concrete example: a product page that is out of stock. If you put a 404, you break the existing backlinks and user experience (a harsh error). If you apply a noindex with a message "temporarily unavailable, coming soon," you preserve the links and the UX. Google accepts both, but the choice depends on your business strategy.

What cases does this rule not strictly apply to?

Empty internal search results pages are a borderline case. If a user searches for "red shoes size 52" and no results exist, should you return a 404? No, because the search functionality does exist. A noindex is more appropriate, or even leave it at 200 if you block those pages in robots.txt.

Another case: empty pagination pages at the end of a list. Page 47 of a category that only has 12 product pages. Technically a Soft 404, but if your pagination is well managed (rel=prev/next, canonicals), it isn't critical. Google will eventually stop crawling them. Focus first on massive and recurring Soft 404s.

How can I precisely identify Soft 404 pages on my site?

Go to Google Search Console, under the "Pages" section, then filter "Excluded." Look for the category "Page with redirection" or "Soft 404." Export the complete list and cross-reference it with your analytics to spot pages still receiving traffic or backlinks. These pages require immediate action.

Supplement with a Screaming Frog crawl or Oncrawl by filtering pages with little text content (< 100 words) and a 200 code. Check titles and meta descriptions: patterns often repeat ("No results", "Product unavailable", etc.). Automate detection with regex on these patterns for continuous monitoring.

What HTTP response should I choose based on the business context?

For permanently deleted content (discontinued product, removed blog post), use a 410 Gone code rather than a 404. The 410 explicitly says "it was there, it's no longer there, don't come back." Google will deindex faster. If you cannot use the 410, a classic 404 will suffice.

For temporarily absent content that will return (out of stock, past event but page retained for historical purposes), opt for noindex through a meta tag or HTTP header. Keep the 200 code, add a clear message for the user, and remove the noindex when the content returns. This is more flexible than a 404 that breaks the experience.

What technical errors should I avoid while correcting?

Do not systematically redirect your Soft 404s to the homepage with a 301. This is the worst solution: you turn valueless pages into soft 404 redirects, diluting your homepage's relevance. Google hates that. If you must redirect, target a relevant category page or a close alternative.

Be cautious of mass noindexing without consideration. Some pages incorrectly classified as Soft 404 (thin but legitimate content) should be enriched, not noindexed. Analyze the first 50-100 pages case by case before automating. Finally, do not mix noindex and canonical to another page: choose one or the other, never both.

• Export the list of Soft 404s from Search Console and cross-reference with backlinks/traffic
• Crawl the site to detect thin pages (< 100 words) returning a 200 code
• Use 410 Gone for permanently deleted content
• Apply noindex + 200 code for temporarily absent content
• Avoid mass 301 redirects to the homepage
• Enrich legitimate but thin pages instead of noindexing them
• Monitor the evolution in Search Console over 4-6 weeks post-correction