Soft 404s are a common ecommerce SEO problem, especially on category and product pages where stock levels, filters, and catalogue changes can alter page intent over time. A soft 404 happens when a page returns a 200 status code but looks, to users or search engines, like a missing or empty page. For online stores, that can weaken crawl efficiency, confuse indexing, and reduce the chance of important pages performing well in organic search.
Fixing soft 404s is not just a technical task. It is part of broader ecommerce website health, affecting product discovery, category visibility, mobile usability, internal linking, and the quality of the shopping experience. The right approach depends on the page type, site structure, content depth, and whether the page still has useful search demand or commercial value.
What a Soft 404 Means on Ecommerce Pages
On an ecommerce site, a soft 404 often appears when a category page has too few products, a product page is out of stock with thin content, or a page contains a message such as “no products found” while still being accessible to search engines. Search engines may decide that the page does not provide enough value for users, even if it technically loads normally.
This matters because category page SEO and product page SEO rely on clear relevance signals. If a page looks empty, duplicate, or unhelpful, it can struggle to support organic traffic growth. That is particularly true for Shopify SEO and WooCommerce SEO sites, where catalogue changes can create many near-empty URLs if they are not managed properly.
Identify Which Pages Are Really Soft 404s
The first step is to separate genuine soft 404s from normal temporary changes. A product page that is out of stock for a few days is not always a problem. A category page with a seasonal range may still be valuable if it has search demand and helpful context. The issue is usually with pages that no longer satisfy user intent or have become thin, repetitive, or empty.
Use Google Search Console, server logs, and crawl tools to look for pages that are indexed but low in value. You can also review pages that have traffic drops, high bounce rates, or poor engagement alongside messages such as “not found”, “no results”, or “page unavailable”. If you are doing a broader technical review, a free website SEO audit can help you spot patterns without guessing.
Typical soft 404 patterns in ecommerce
Common examples include empty category pages, filtered URLs that create thin duplicate pages, discontinued product pages with no replacement, and product pages that only show a title and a stock notice. These issues are often linked to faceted navigation, duplicate product content, and weak internal linking.
Decide Whether to Improve, Redirect, or Remove
Not every soft 404 should be handled the same way. The best option depends on search intent and whether the URL still has a role in your ecommerce content strategy. If a category page has strong demand, it usually makes sense to improve it rather than remove it. If a product is discontinued but has a close substitute, a redirect may be better. If a page has no meaningful purpose and no relevant alternative, returning a proper 404 or 410 can be more appropriate.
For product pages, consider whether the item is temporarily out of stock, permanently discontinued, or likely to return. Out-of-stock product SEO is about preserving useful URLs when there is still intent, while avoiding thin pages that add little to the site. On larger stores, this decision process should be documented so teams handle catalogue changes consistently.
Practical decision guide
Improve pages that still match active search demand. Redirect pages that have a clear replacement or category equivalent. Remove pages only when there is no user value, no search demand, and no logical destination. This approach supports crawlability and keeps the site structure cleaner for both users and search engines.
Strengthen Category Pages with Real Content
Many soft 404s start with category pages that are too sparse. A useful category page should do more than list products. It should explain the range, help users choose, and reinforce the main keyword theme naturally. This can include a short introduction, useful subcategory links, buying guidance, and a concise explanation of key differences between products.
Strong category page SEO also depends on avoiding duplicate or near-duplicate copy across similar collections. If you sell multiple variants or collections, add unique text that reflects the specific use case. Keep the layout mobile-friendly, with clear filters, readable copy, and fast-loading product grids. Page speed and Core Web Vitals matter here because slow or unstable category pages can reduce engagement and make the page feel low quality.
Good category content should support users first. That means helping them move from broad search intent to the right product faster, not stuffing keywords or adding long blocks of text that push products too far down the page.
Fix Product Pages So They Look Complete and Useful
Product page SEO plays a major role in preventing soft 404s. A product page should include a clear title, unique product descriptions, key specifications, images, availability information, and structured data where appropriate. If the page is too thin or mostly copied from a supplier feed, search engines may treat it as low value, even if the product itself is legitimate.
Unique product descriptions are especially important. They should explain features, benefits, dimensions, compatibility, materials, use cases, and care instructions where relevant. If a product is out of stock, keep the page live when it still attracts demand, but make the status clear and consider suggesting related products or alternatives. This supports ecommerce conversions because users can still explore options instead of landing on a dead end.
Product schema markup can also help search engines understand the page better. Use structured data carefully and make sure it matches the visible content. For general guidance on product structured data and search appearance, Google’s SEO Starter Guide is a useful reference.
Use Internal Linking and Indexing Signals Properly
Internal linking helps search engines understand which pages matter most. If a category page is thin, linking it from relevant hub pages may not be enough on its own. It still needs valuable content and a clear purpose. But strong internal linking can help guide crawlers towards live, useful pages and away from low-value URLs created by filters, parameters, or outdated product paths.
Make sure out-of-stock products link to related items, parent categories, and useful guides where relevant. If a product has been replaced, redirect it to the closest equivalent rather than leaving users at a dead end. For catalogue sites with many variants, carefully manage faceted navigation so filter combinations do not create large numbers of indexable low-value URLs.
When issues are widespread, page inventory and crawl analysis can help. Backlink Works publishes SEO education resources that may be useful when you are planning broader site improvements, but the main priority remains practical cleanup and consistent technical maintenance.
Review Mobile Experience, Speed, and Conversion Impact
Soft 404 fixes should not be handled in isolation from user experience. On mobile ecommerce sites, cramped layouts, slow loading pages, and confusing navigation can make a page feel unhelpful even when it is technically valid. That can affect engagement signals and make category or product pages perform poorly over time.
Review whether the page loads quickly, whether product cards are easy to tap, and whether users can clearly see stock status, size options, shipping information, and alternative products. These details matter for ecommerce website speed and conversions because shoppers are more likely to stay when the page answers their questions quickly. If you need a performance reference point, PageSpeed Insights can help you evaluate loading and Core Web Vitals issues.
A good soft 404 fix should improve both crawl efficiency and the shopping journey. The goal is not just to avoid an error signal, but to keep valuable pages useful, findable, and conversion-friendly.
Best Practice Checklist for Ecommerce Teams
Before you publish changes, check the following:
- Confirm whether the page still has search demand or commercial value.
- Improve thin category and product pages with useful, unique content.
- Use redirects only when there is a genuinely relevant replacement.
- Handle discontinued products and empty categories consistently.
- Reduce duplicate product content and unnecessary filtered URLs.
- Keep internal links pointing to live, useful pages.
- Test mobile usability, page speed, and schema markup after updates.
Conclusion
Soft 404s on category and product pages usually point to deeper ecommerce SEO issues such as thin content, weak site structure, poor faceted navigation, or unclear handling of stock and discontinued items. The best fix depends on whether the page still serves a useful purpose, matches search intent, and supports the customer journey.
By improving content, tightening redirects, managing indexing signals, and maintaining a better mobile experience, online stores can protect organic visibility and create a cleaner path to discovery. Results will always depend on site quality, competition, demand, technical setup, and consistent optimisation, but a structured approach gives your store a much stronger foundation for long-term growth.
Frequently Asked Questions
What causes soft 404s on category pages?
They are often caused by empty collections, low product counts, thin copy, or filter combinations that create low-value pages.
Should out-of-stock product pages be removed?
Not always. If the product has demand or may return, keep the page live and improve it with alternatives and clear stock information.
Is a redirect always the best fix?
No. Redirects help when there is a close replacement, but they are not suitable for every page. Some pages are better improved or removed.
How do soft 404s affect ecommerce SEO?
They can waste crawl budget, weaken indexing signals, and reduce the quality of your category and product page experience for users.
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