The short answer
Shopify and BigCommerce are close on SEO. Both are hosted platforms with sound technical foundations, and neither one ranks a store for you. The differences are in URL freedom, how much comes built in versus from apps, and how each handles larger catalogs.
If someone tells you one of them is dramatically better for SEO, ask for the evidence. Rankings come from content, relevance and links. A platform sets the technical floor, and both clear it.
That makes the decision more about fit than search. How is your catalog structured? What do you need built in? How big is the app ecosystem you will lean on? How does each handle the day-to-day work your team does? We compare those below, with the SEO impact of each.
For most small stores the right move is to choose on features, price and comfort, then put the energy into content. If you want guidance on the content side, our page on what Shopify SEO help looks like describes the options. If you are on BigCommerce already, our BigCommerce SEO guide covers it directly.
A caution: platform details change. Shopify and BigCommerce both update features often. Check each company's current documentation before you decide based on a single feature.
Both are fine for SEO. Choose on fit, then spend your time on content and links, which neither platform does for you.
URL structure and control
This is the most concrete SEO difference.
Shopify uses fixed prefixes: /products/ for products, /collections/ for collections, /pages/ for pages and /blogs/ for blog posts. You can edit the handle after each, but not the prefix. We go through the effects in Shopify URL structure.
BigCommerce offers more freedom. By default, product and category addresses can sit directly under the domain without a fixed prefix, and the platform lets you customize URL patterns more freely. That can make a flatter, tidier address and makes it easier to keep existing URLs when moving from another platform.
Does it move rankings? Not much. Google reads both patterns. Clear, short, stable addresses matter. The BigCommerce flexibility helps most in migrations, where keeping old addresses can cut the redirect workload, and for stores with specific taxonomy needs.
On both platforms, the same cautions apply. Do not rename handles on pages that rank without a redirect. Keep addresses short and readable. Avoid stuffing keywords into them.
Shopify's redirect tool and BigCommerce's redirect manager both handle bulk imports, so a migration to either is workable. For the Shopify side of that, see Shopify SEO migration.
What is built in and what needs an app
The two platforms draw the line between core features and add-ons in different places.
Both give you editable page titles and descriptions, automatic sitemaps, canonical tags, a redirect tool, a robots file you can adjust and responsive themes. For SEO basics, you are covered on both.
The difference shows up in the extras. BigCommerce has historically built more commerce features into the core platform, such as certain product options, filtering and advanced catalog tools, which on Shopify often come from apps. Shopify's app store is larger and has more choices for nearly everything, from reviews to bundles to SEO tools.
There is a SEO angle to this. Every app adds code, so a store relying on many apps can get slower. A store using more built-in features may stay lighter. On the other hand, a larger app market gives more ways to solve unusual problems. Neither is strictly better. Count the apps you would need on each side for your actual feature list.
For SEO apps specifically, be skeptical on either platform. Much of what they sell, such as meta tag editing and sitemaps, is already in the admin. Our comparison of Shopify SEO apps shows what they add.
Test product pages on both in Google's Rich Results Test. Check that you get a single valid Product block, with accurate price and availability.
Speed and technical performance
Both platforms host your store, run it on fast infrastructure and deliver assets through a content delivery network. A clean store on either can score well on Google's Core Web Vitals.
In practice, speed differences come from the theme and the add-ons, not the platform. A heavy theme with sliders, video and a dozen apps will be slow on both. A lean theme will be fast on both.
Test rather than trust claims. Run a demo store or a copy of your own through PageSpeed Insights on mobile, and look at the Core Web Vitals. Our glossary entry on Core Web Vitals on Shopify explains what to read.
One difference to note. Themes on each platform are built on different technologies, and the developer community around Shopify's theme language is larger, which means more themes and more developers available. A larger choice is not the same as a better result, but it can make it easier to find help.
For both, keep images sized sensibly, load scripts only where needed, remove unused apps or integrations and keep the first screen of each page simple.
If your store gets a lot of traffic, check how each platform treats your plan's limits. Bandwidth, API limits and checkout features vary by plan, and the details change, so ask each vendor directly.
Catalog size, complexity and who each tends to suit
A rough way to decide, with the diagram as a guide.
Simple catalog, want guidance. A store with products that have a few options each, and an owner who wants a setup that works without much deciding. Shopify tends to fit, thanks to its guided admin and large ecosystem of themes and help.
Complex catalog. A store with many options per product, large attribute sets, or B2B needs such as custom pricing and bulk ordering. BigCommerce has built-in tools aimed at these cases, and Shopify handles them with apps or on its higher plans. Test both with real examples.
Want control of addresses. If keeping an existing URL structure matters, BigCommerce's flexibility helps.
Want the biggest app and developer pool. Shopify has the larger ecosystem, which matters if you expect to hire help or add unusual features. See Shopify Plus SEO for how that plays out at scale.
These are tendencies, not rules. Many complex stores run happily on Shopify and many simple ones on BigCommerce. The honest way to decide is to load a sample of your real products, 20 or 30 with their variants, into a trial on each, and see how well each handles them.
Also weigh the people involved. If your team already knows one platform, the learning cost of the other is real and will not show up in any SEO comparison.
Blogging and content tools
Content is where most SEO gains come from, so look at how each platform handles it.
Shopify has a built-in blog with posts, tags and authors, under the fixed /blogs/ path. It is simple and good enough for most stores. Our page on Shopify blog SEO explains how to use it well.
BigCommerce also includes a blog, with its own structure and settings. Historically, BigCommerce's blog has been seen as more basic than a dedicated content system, and many BigCommerce stores run their content on a separate WordPress site linked to the store. Shopify stores sometimes do the same. That split works but adds complexity: two systems, two sets of settings, and a need to link them well.
For collection or category pages, check how easily you can add a text intro above the products and a longer block below. On both, this depends partly on the theme. Test it before you commit, since a collection page with no room for text is a real SEO limit.
For product pages, check the fields for descriptions, alt text and custom fields, and how easily you can add FAQs or size guides.
Also look at bulk editing. If you have thousands of products, editing titles and descriptions in bulk through import and export matters more than any single feature. Try it on both.
Should you move from one to the other for SEO?
Almost never for SEO alone.
The ranking problems that stores blame on a platform are usually content problems: thin product text, empty collection pages, no guides, few links from other sites. Those move with you. After a migration you would still have them, plus the risk of losing rankings during the move.
There are good reasons to switch: costs, features you need, a team that works better on the other platform, or a business that has outgrown its setup. If one of those applies, plan the move carefully. Map every old address to a new one, keep titles and key copy intact, load redirects before launch and watch Search Console for weeks afterward. Our Shopify SEO migration guide gives the full sequence, and the same logic applies in the other direction.
If you are moving because a salesperson promised better rankings, ask for the evidence. Platform choice does not do that.
If you are not sure whether your store's problem is the platform, check the basics first: indexing in Search Console, titles and descriptions, structured data and speed. Our Shopify SEO audit page explains what a real audit inspects. In most cases the audit points to content, not the platform.
Questions to ask each vendor
Before you commit, put the same questions to both companies, and write down the answers.
Can I edit page titles, descriptions and handles for every page type, including collections or categories? Can I add a text block above and below the product grid? How are redirects handled, and can I import them in bulk? What does the sitemap include, and can I control it? How are canonical tags set for variants and filtered views? What structured data does a product page output? Which features I need are built in, and which need an add-on at extra cost? What are the limits on products, variants and API calls at my plan level? How do I export all my data if I leave?
Pay attention to how specific the answers are. A vendor who can explain how canonical tags work on filtered pages understands your problem. One who answers every question with "our platform is SEO friendly" has not helped you decide anything.
Total cost, not just the plan price
Plan prices change often and vary by tier, so this page does not quote any. What matters for the decision is the total cost of running your store, and for SEO you should include a few items that people forget.
List the apps or add-ons you would need on each platform for your must-have features, and what each costs per month. Add transaction or payment fees if they differ by gateway. Add the theme, whether free or paid, and any developer time to customize it. Add the cost of migrating your catalog, redirects and content. Add the cost of the people who will run it, including how long they take to learn the admin.
Then add the cost of content, which is the same on both: the writing and publishing that earns search traffic. A platform that is cheaper by a small amount a month does not change that bill, and that is usually the largest item.
Put the totals next to each other for a twelve month view. The platform with the lower plan price often is not the cheaper one once everything is counted.
How RunOctopus handles this
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It works with Shopify, WordPress, WooCommerce and Wix. There is nothing to install, approve, upload or schedule. The first week brings 8 long-form articles, 6 pages and a custom interactive tool built for your niche, then 175+ pieces of content a month, written, published and linked. Reports show where ChatGPT, Perplexity, Claude and Gemini name your business. The 90-day promise is more visibility on Google and in AI answers than in the 90 days before you joined, or every dollar back.
You can see what Ollie would do for your store before spending anything. Paste your address into the free site read. Ollie reads the site and shows you the plan. There is no account and no call.