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Ecommerce SEO4 min read

Ecommerce SEO: how to grow organic sales for an online shop

How online shops grow organic sales - keyword mapping, category and product pages, structure, technical fixes, links, AI shopping answers and the numbers that matter.

Ecommerce SEO is different from SEO for a services business in one important way: the pages that make money are category and product pages, not blog posts. Most of the growth comes from making those pages rank for the searches shoppers actually make.

This guide works for any platform. If you're on Shopify, our Shopify SEO guide covers the platform-specific fixes.

Start with keyword mapping

Every search a shopper makes belongs to one page on your site.

Search typeExampleBest page
Category"women's walking boots"Category page
Subcategory or filter"waterproof women's walking boots"Subcategory or indexable filtered page
Product"brand model name"Product page
Comparison"best walking boots for wide feet"Buying guide that links to categories
Problem or question"how to waterproof leather boots"Guide or blog post
Swipe the table sideways to see every column.

Map your main searches to pages before you write anything. Two pages targeting the same search usually means neither ranks well.

Category pages do the heavy lifting

Category searches have more volume and clearer buying intent than most product searches, and category pages can rank for dozens of variations at once.

A category page that ranks usually has:

  • one clear category term in the title, H1 and URL
  • a short introduction above the products and helpful detail below - sizing, materials, buying advice, FAQs
  • links to related subcategories and back up to the parent category
  • enough products to be useful, with clear filters

Product pages

  • Unique descriptions written for shoppers, not copied from the manufacturer.
  • Product names that match how people search.
  • Reviews, which add fresh content and qualify for rich results.
  • Complete product structured data: price, availability, brand, reviews.
  • A plan for out-of-stock and discontinued products - keep and link alternatives, or redirect to the closest match.

Keep important categories within a couple of clicks of the homepage. Link from guides and blog posts into categories, and between related categories. Use breadcrumbs. The pages you link to most are the pages search engines treat as most important.

Technical ecommerce SEO

Online shops create technical problems that brochure sites don't.

  • Faceted navigation. Filters can create thousands of near-duplicate URLs. Decide which filtered views deserve to rank and keep the rest out of the index.
  • Duplicate products. Products in several categories can appear at several URLs. Use one canonical URL per product and link internally to it.
  • Pagination. Make sure products deep in paginated categories can still be crawled.
  • Speed. Test category and product templates, not just the homepage.
  • Migrations. Replatforming is the single biggest risk to ecommerce rankings. Map every old URL to a new one before launch.

Category pages are hard to earn links to directly, so most ecommerce link building works by earning links to the domain and to guides, then passing that authority through internal links. Product round-ups, gift guides and "best of" articles in your niche are worth special attention - they send traffic, links and, increasingly, AI recommendations.

AI shopping answers

Shoppers now ask ChatGPT and Google's AI Mode which product or brand to buy. The answer usually names a handful of brands and cites the pages it used - mostly third-party round-ups, review sites and editorial guides.

If your brand isn't on those pages, it won't be in the answer, however well your categories rank. Run your main buying questions through a few AI engines - or a free LLM visibility checker - and list the pages they cite. That's your outreach plan.

What to measure

  • Organic revenue and conversions, by category
  • Non-brand organic traffic to category pages
  • Rankings for priority category terms
  • Share of AI answers naming your brand for key buying questions

Traffic on its own can mislead. Imogen Pope London, a designer lampshade brand, grew organic traffic 76% year on year with us by targeting the category searches that luxury buyers use, not generic volume - see the case study.

Ecommerce SEO checklist

AreaCheck
Keyword mapEvery priority search mapped to one page
CategoriesIntro and supporting content on priority categories
ProductsUnique descriptions, reviews, complete structured data
FiltersOnly valuable filtered views indexable
DuplicatesOne canonical URL per product, linked internally
SpeedCategory and product templates pass Core Web Vitals
LinksGuides and PR earning links that flow to categories
AI answersBrand checked across AI engines; cited pages targeted
Swipe the table sideways to see every column.

Frequently asked questions

What is ecommerce SEO?

The work of getting an online shop's category and product pages to rank for the searches shoppers make, so they buy without paid ads. It covers keyword mapping, on-page content, technical fixes, links and, increasingly, visibility in AI shopping answers.

How long does ecommerce SEO take?

Technical and category fixes can move rankings within two to three months. Competitive category terms usually take six months or more.

Is a blog worth it for an online shop?

Yes, if it supports your categories - buying guides and how-to content that link into category pages. A blog that doesn't link to anything you sell rarely moves revenue.

Do I need an ecommerce SEO agency?

Not always. A store with in-house content and developer time can do a lot of this itself. If you need help, look for an agency with published results for online shops like yours.

The takeaway

Ecommerce SEO is mostly about category pages: map the searches, build the pages, fix the technical issues that dilute them and earn mentions on the round-ups shoppers and AI tools rely on.

Want to know where your shop is losing sales? Book a 30-minute call and we'll show you which category searches you're missing.

Danny Sullivan
Founder & CEO, Nomada Digital

Nomada Digital is a B2B SEO and AI search agency. The views here are practitioner-level and based on real client data.

Questions about this article?

Contact Danny directly at danny [at] nomadadigital.co.uk, or ask here and it goes straight to them.

Let's talk growth.

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