Ecommerce SEO · Guide

What Is Ecommerce SEO?

A brochure site has twenty pages that sit still. A shop has thousands that change daily as stock, price and range move. Almost every problem in this subject comes from that one difference.

Updated: July 2026
Written by: Andrew Odgers, Managing Director
Reading time: 9 minutes
The definition

What Ecommerce SEO Means

Ecommerce SEO is the work of getting a shop found in search results by people who want to buy what it sells. It covers the technical health of the site, how the catalogue is organised, what the category and product pages say, then what else the shop publishes.

What separates it from ordinary SEO. Scale and change.

A site with twenty pages can be looked at page by page. A shop with four thousand cannot. Every one of those pages can change without anybody deciding it should.

Why that matters more than it sounds. Because it changes what the work actually is.

On a small site the job is improving pages. On a shop the job is deciding which pages are worth improving, then making sure the other three thousand nine hundred are not causing problems. Those are different skills.

The consequence. Most advice written about SEO does not survive contact with a catalogue.

It assumes you can write unique content for every page, review every result and act on every finding. At catalogue scale none of that is available, which is why this cluster exists separately.

Three consequences of size

Why Scale Changes Everything

Three things follow from being large. Each creates a problem an ordinary website never encounters.

Thousands of pages. A search engine does not visit every page of a large site equally often.

It works through what it can, in an order it decides. On a big catalogue that means parts of the shop are seen rarely, so a change made today might not register for weeks. The structure page in this cluster covers what to do about it.

Inventory that changes. Products arrive, sell out, get discontinued and come back.

Every one of those is a page appearing or disappearing without anybody writing anything. A shop is therefore publishing and unpublishing continuously, which is not something a brochure site does at all.

Content that arrives from a feed. Most product descriptions are supplied by the manufacturer.

They were not written for your shop and they are identical on every other shop selling the same item. That is the single most common content problem in this sector. It is not solved by rewriting the words.

What the three have in common. None of them is a mistake anybody made.

They are properties of running a shop. The work is managing them rather than avoiding them.

Six workstreams

The Parts Of The Work

Six things make up an ecommerce engagement. What each does, rather than how it is done.

Technical health. Making sure the shop can be crawled and indexed properly, that pages are not duplicating each other and that nothing is quietly blocked.

Site structure. How the catalogue is organised, how deep products sit and how the pages connect. This one sets the ceiling for everything else, which is why it has its own guide.

Category pages. The pages that carry most of the commercial search, covered in block four.

Product pages. Deciding which ones can realistically rank and what to do with the rest.

Content beyond the catalogue. Buying guides, comparisons and answers to the questions people ask before choosing. A shop with nothing but products has a ceiling it cannot pass.

Off-site. Links and mentions from elsewhere. Real, though usually not the first thing that needs fixing.

What the order should be. Roughly that order.

Our complete guide sets out the sequence and why doing these in the wrong order wastes money.

Said early because it surprises people

Where The Money Actually Is

Category pages carry most of the commercial search on a shop. Not product pages. Most store owners assume the opposite. It changes where the effort should go.

Why that is true. Because of how people search when they do not know exactly what they want.

Somebody who has decided on a specific item searches for it by name. Somebody still choosing searches for the type of thing. There are far more people in the second group. They are earlier in the decision, which means the page they land on gets to influence it.

What a product search implies. That the choice has been made.

Somebody searching a model number is comparing sellers rather than products, which is a price and availability comparison your shop may or may not win.

What a category search implies. That the choice is still open.

How shops get this wrong. By treating the category page as a grid of products with a heading.

That is the most common shape of category page and it is why the most valuable pages on most shops are the emptiest. Our guide to ranking category pages deals with it properly.

Four things it is not

What It Is Not

Four misconceptions, each of which leads somebody to spend money in the wrong place.

Not a one-off job. A shop changes every week, so anything set up once drifts.

New products arrive with supplier copy, categories get added, apps get installed, stock goes out. A shop optimised eighteen months ago is not optimised now.

Not the same as the site being built well. A shop can be beautifully built and invisible.

Build quality and search visibility overlap without being the same thing. Our ecommerce web design guides cover what gets decided during a build.

Not a substitute for a product people want. Search finds existing demand. It does not create it.

If nobody is looking for what you sell, being found for it is worth very little. No amount of work changes that.

Not something the platform does for you. Every platform claims to be optimised.

What they mean is that the technical foundations are reasonable. None of them writes your category content, decides your structure or notices that your filters have generated forty thousand crawlable pages.

Including who does not

Who Needs It

This suits some shops considerably better than others. Being direct about the second group is more useful than pretending everybody benefits equally.

Where it works well. Three characteristics.

A catalogue with enough range that category level demand exists. Margins that survive the cost of acquiring a customer. And a product people actually search for, rather than one they only discover through advertising.

Where paid advertising is the better answer. A new shop with no history. A product being tested. A shop needing revenue this quarter rather than next year.

None of that is a criticism. Advertising buys speed, which optimisation cannot.

Where a marketplace is the better answer. The one shops find hardest to hear.

If your product is commodity stock that people search for by exact name. Your customers genuinely start on a marketplace, then competing for that demand on your own site is expensive and slow. Our guide on the marketplaces covers that decision fairly.

How to tell which you are. Our page on whether this is worth it works it through with your own numbers.

Briefly

How It Sits Against Paid

They are not alternatives in the way the question usually implies. Most shops that do well run both. The useful question is what each is for rather than which is better.

The core difference. Advertising rents a position. Optimisation earns one.

Rented position appears immediately and stops when payment stops. Earned position takes time to acquire and decays slowly rather than switching off.

The ecommerce specific complication. Shopping advertising works from a product feed.

That behaves differently from ordinary text advertising and it occupies the top of most commercial searches, which changes the comparison in ways the generic version of this argument misses entirely.

Where the real answer sits. In your own margins.

A shop with thin margins runs out of room to bid long before a high margin one does, which sets a ceiling on how far advertising can take it.

Our comparison of the two works through the arithmetic rather than repeating it here.

Realistic, not dramatic

What Changes When It Works

This does not look like one page jumping to the top. It looks like a great many pages moving slightly, which is far less satisfying to watch and considerably more valuable.

What actually happens. A rising tide across the catalogue.

Hundreds of pages improve by a few positions each. No single one looks impressive. The combined effect on revenue is substantial, because a page moving from the second results page to the first crosses the line where anybody sees it.

Why that confuses people in month three. Because they are checking one term.

A store owner watching a single keyword will conclude nothing is happening while the revenue figure is already moving. That is the most common misreading of progress in this sector.

What to watch instead. Revenue from non-brand organic traffic.

Meaning people who found you without searching for your name. Our measurement guide explains why that single split matters more than every other number combined.

Four, all common

Common Misunderstandings

That more products means more traffic. Adding a thousand products with supplier descriptions adds a thousand pages nobody was looking for.

Range matters commercially. It is not a search strategy, then past a certain point a larger catalogue makes the shop harder to manage rather than more visible.

That the platform handles it. Covered in block five. Platforms provide foundations rather than decisions.

That it is finished once the site is live. Launch is when the work starts.

A new shop has no history and nothing pointing at it. What happens over the following year decides whether it is found, not what was configured on the day it went live.

That product pages are the target. The most expensive of the four, because it sends effort to the wrong place.

Per block four, categories carry the commercial search. A shop that has spent a year rewriting product descriptions while its category pages remain bare grids has done real work in the least valuable place available.

Ecommerce SEO services

Categories carry
the money.

Most store owners assume product pages are the target. Somebody still choosing searches for the type of thing rather than the item. There are far more of them. That is where the work pays.

What is included every month:

Technical health and crawl Site structure work Quarterly technical audits Category page content Product page prioritisation Website management AI optimisation Social, two posts a week

£350 per month, one target area. No setup fee, nothing billed separately.

The full guide series

Twenty-two guides.
One subject.

This guide is the introduction. The rest of the series covers structure, category and product pages, technical health, measurement, the marketplaces and everything a store owner has to decide.

Questions people ask

Ecommerce SEO

How is ecommerce SEO different from ordinary SEO?
Scale and change. A site with twenty pages can be looked at page by page. A shop with four thousand cannot. Every one of those pages can change without anybody deciding it should. On a small site the job is improving pages. On a shop the job is deciding which pages are worth improving, then making sure the rest are not causing problems. Most general SEO advice assumes you can act on every finding, which at catalogue scale you cannot.
Should we focus on product pages or category pages?
Categories. Most store owners assume the opposite. Somebody who has decided on a specific item searches for it by name. Somebody still choosing searches for the type of thing. There are far more of them. A product search means the choice has been made and you are competing on price and availability. A category search means the choice is still open, which is where a page can influence it.
Does the platform handle this for us?
It provides foundations rather than decisions. Every platform claims to be optimised, by which they mean the technical basics are reasonable. None of them writes your category content, decides your structure or notices that your filters have generated tens of thousands of crawlable pages. Build quality and search visibility overlap without being the same thing.
Will adding more products bring more traffic?
Not on its own. Adding a thousand products carrying supplier descriptions adds a thousand pages nobody was looking for. Range matters commercially, though it is not a search strategy, then past a certain point a larger catalogue makes a shop harder to manage rather than more visible. The manufacturer copy problem gets worse with size rather than better.
What does it look like when it starts working?
A rising tide rather than one page jumping. Hundreds of pages improve by a few positions each, no single one looks impressive. The combined effect on revenue is substantial because a page crossing from the second results page to the first crosses the line where anybody sees it. A store owner watching one keyword will conclude nothing is happening while revenue is already moving.
Is this the right thing for every shop?
No. It suits a catalogue with enough range that category level demand exists, margins that survive the cost of acquiring a customer. A product people search for rather than only discover through advertising. A new shop needing revenue this quarter is usually better served by advertising. A shop selling commodity stock whose customers genuinely start on a marketplace may be better off there.