Ecommerce Update Drop
Online shops are affected by Google updates differently from blogs and service sites. Thousands of product pages often share descriptions with every other retailer selling the same item, category pages may be little more than a grid of thumbnails, filters can create huge numbers of near-identical URLs, and buying guides are often written for traffic rather than for customers.
This guide is for shop owners and ecommerce managers who saw organic revenue fall after an update. It shows how to find which page types lost, and how to fix each one in an order that protects sales while you work.
Why shops are hit differently
A core update reassesses how useful pages are compared with everything else that could rank. For shops, that comparison is harsh, because the same product is usually sold by dozens of retailers, the manufacturer and several marketplaces. If your page offers the same photos, the same description and the same specification table as all of them, there is little reason for Google to prefer it.
The common weaknesses fall into five groups:
- Duplicated product copy. Supplier descriptions pasted unchanged across the catalogue.
- Empty category pages. A heading, a product grid and nothing to help a shopper choose.
- Index bloat. Filter, sort and variant URLs that multiply thin pages far beyond the real catalogue.
- Dead ends. Out-of-stock and discontinued products left live with no information or alternatives.
- Traffic content. Blog posts and "best of" lists written to catch searches, without real product knowledge.
Which of these hurt you depends on what the update was weighing. That is why the first step is always to split the loss by page type rather than looking at site totals.
Segmenting the loss
Most shop platforms use predictable URL patterns, which makes segmenting straightforward. In Search Console, use the page filter with "URLs containing" to isolate each type, then compare clicks and average position before and after the update.
| Page type | Shopify pattern | WooCommerce pattern | What a loss here usually means |
|---|---|---|---|
| Product | /products/ | /product/ | Duplicated copy, thin detail, weak reviews |
| Category | /collections/ | /product-category/ | Grids with no guidance, competition from marketplaces |
| Filtered listings | Query strings such as ?filter. | Query strings such
as ?filter_ | Index bloat diluting the site |
| Blog and guides | /blogs/ | /blog/ or dated paths | Search-first content, thin reviews |
Custom platforms vary, but the principle is the same: group URLs so that each group shares a template and purpose. Then add revenue. Joining Search Console landing pages with organic revenue from analytics shows which losses actually cost money, which is what should set the order of work.
The fix, step by step
Step 1
Split the loss by page type and revenue
Use the Algorithm Impact monitor to confirm the fall began inside a tracked Google update and not with a theme change, app install or migration. Then segment Search Console data by URL pattern into products, categories, filtered listings and content, and join it with organic revenue from analytics. Rank the groups by revenue lost, not clicks lost, and start with the group costing the most sales.
Step 2
Rewrite supplier copy on the products that matter
You cannot rewrite ten thousand products at once, so start with the top sellers and the products whose rankings fell furthest. Replace the manufacturer text with what a shopper needs and cannot get elsewhere: who it suits, how it compares with the alternatives you stock, sizing advice from returns data, your own photos and answers to questions customers actually ask your team.
Step 3
Give category pages a reason to rank
Add a short introduction above the grid that helps people choose, with useful subcategory links, and put deeper buying advice below the products. Write it from real knowledge, such as which materials last, what size suits which space, or what changed in this year's range. Keep popular and in-stock products at the top, and make sure the grid is in the HTML, not loaded only by script.
Step 4
Control faceted and variant URLs
Crawl the site and count URLs against the real number of products and categories. Filter and sort combinations should canonicalise to the parent category, be kept out of the sitemap and, where they cause crawling waste, be blocked in robots.txt. Keep indexable only the few filtered pages that match real searches, such as a brand or colour within a category, and give those their own heading and introduction.
Step 5
Clean up stock, discontinued and empty pages
Keep temporarily out-of-stock products live with an expected date and alternatives, and mark availability honestly in product structured data. For permanently discontinued lines, redirect to the direct replacement if one exists, or keep a helpful page with specifications and successors if the product still earns searches. Remove or noindex empty categories and tag pages that list no products at all.
Step 6
Rebuild buying guides and reviews around real use
Audit blog posts and review content against what your team really knows. Keep guides that reflect handling, testing or selling the products, and add original photos, measurements and honest drawbacks. Remove generic "best of" lists covering products you never stocked or tried. Show customer reviews on product pages, and never write, filter or incentivise them in a way that misleads shoppers.
Step 7
Track revenue by page type through the next update
Keep a change log noting which products, categories and guides were changed and when. Report clicks, positions and organic revenue for each page type monthly, comparing like-for-like seasons. Watch the Algorithm Impact monitor through the next core update, and compare the pages you improved with a set left unchanged so you know which work to repeat across the rest of the catalogue.
What a stronger product page contains
The aim is not length. It is information that helps a shopper decide and that the next retailer does not have. For a fictional garden retailer, Ashdown Garden Supply, a rewritten page for a raised bed kit might include:
- A two-sentence summary of who it is for: "Suits small gardens and patios where you want to grow salad and herbs at waist height."
- Assembly time from their own warehouse team, and the tools needed.
- How much compost it takes to fill, in litres and bags, calculated by the shop.
- Photos of the kit built, filled and planted, taken by staff.
- Honest limits: "Untreated larch will weather to grey within a season."
- Answers to the three questions customers ask most often by email.
- Links to the matching liner, compost and the larger size in the range.
Keep the manufacturer's technical specifications in a table; they are facts, and changing them for the sake of it helps nobody. The unique value sits around them.
<!-- Filtered and sorted views point back to the main category -->
<link rel="canonical" href="https://example.co.uk/collections/raised-beds">
# robots.txt: stop crawling of sort and multi-filter combinations
User-agent: *
Disallow: /*?*sort_by=
Disallow: /*?*filter.*&filter.Platform notes
Shopify
Products appear at several addresses, including paths under collections; most themes canonicalise
these to /products/, but check yours does. Collection pages support a description field;
many themes show it only above the grid, so a theme edit may be needed to place longer buying advice
below the products. Apps that add filters can create their own URL patterns to control.
WooCommerce
Product tags, attribute archives and layered navigation widgets are common sources of thin indexable pages. Decide which archives deserve to be landing pages and set the rest to noindex in your SEO plugin. Category descriptions can be extended with a second content area using a plugin or theme hook.
Marketplaces and feeds
If you also sell on marketplaces, avoid pasting your rewritten descriptions into those listings word for word, or you recreate the duplication problem against yourself. Keep Merchant Center feeds consistent with on-page prices and availability, as mismatches can cause product listings to be disapproved.
For deeper fixes on individual areas, see Fixing category pages, Fixing faceted navigation and Fixing out-of-stock pages.
Order of work when resources are limited
- Anything technical that changed at the same time. A new theme, app or migration near the update date is checked first.
- Index bloat. Faceted URL fixes are template-level changes that affect the whole site at once.
- Top categories. A few dozen category pages often carry most non-branded traffic.
- Top products by revenue. Rewrite in batches, starting with those that lost positions.
- Content and reviews. Improve or remove, following what your team genuinely knows.
1. Does using manufacturer descriptions get my shop penalised?
Google does not penalise duplicate product descriptions as such, and it is normal for many shops to sell the same item. The problem is that a page identical to dozens of others gives Google no reason to choose it, so it tends to be filtered or outranked by bigger retailers and the brand itself. Rewriting descriptions with your own knowledge, photos and advice gives the page something distinctive. Start with the products that earn the most revenue.
2. How much text should a category page have?
There is no set amount; Google has said it does not have a preferred word count. A short introduction that helps people choose, useful links to subcategories and some buying advice below the grid is usually enough. What matters is that the text is useful to a shopper in that category, not stuffed with keyword variations. Many strong category pages have only a few short paragraphs, while the products themselves remain the main content of the page.
3. Should I noindex out-of-stock products?
Usually not for temporary stock-outs. Keep the page live, show when it is expected back and offer alternatives, and mark availability accurately in structured data. Removing and re-adding pages loses their ranking history. For products that will never return, redirect to a direct replacement if there is one, or keep an informative page if people still search for that model. Remove only pages with no replacement, no searches and no links pointing to them.
4. Can faceted navigation cause an algorithm drop?
Faceted navigation is not targeted by updates directly, but it can create very large numbers of thin, near-duplicate pages. That wastes crawling on low-value URLs and can weaken how the site as a whole is judged. If a crawl finds many times more URLs than you have products and categories, controlling filters with canonical tags, robots.txt rules and sitemap exclusion is one of the highest-impact changes you can make, because it applies across the whole template.
5. Did the reviews update affect my product pages?
Google's reviews system is mainly aimed at content that reviews products or services, such as buying guides and comparison articles, rather than ordinary product listings with customer reviews. If your losses sit in blog posts or "best" lists, the reviews system is a likely factor, and the fix is real testing, original evidence and honest drawbacks. If product pages lost ground, look first at duplicated descriptions, thin content and technical causes such as index bloat.
6. How long will ecommerce recovery take after a core update?
Expect months. Large catalogues take time to recrawl, and quality reassessment often shows most clearly at the next core update. Template-level fixes such as faceted navigation can take effect sooner once Google has recrawled the affected URLs. Track organic revenue by page type rather than overall traffic, and compare improved pages with unchanged ones. Recovery is not guaranteed, particularly where large retailers and marketplaces have gained ground on the same queries.
7. Should I delete my shop blog after an update?
Not wholesale. Check each post for search traffic, links, and whether it leads readers to products. Keep and improve guides that reflect real product knowledge, such as sizing, care or compatibility advice. Remove posts on topics unrelated to what you sell, or generic lists of products you never stocked. A smaller blog with genuinely useful guides linked to the right categories usually serves both customers and rankings better than a large archive of thin posts.
The Algorithm Impact monitor lines up your daily ranking movements with tracked Google updates, helps separate update effects from technical faults, content decay and competitor gains, tracks your recovery and suggests actions suited to the type of update.
Open Algorithm Impact Fixes →