Any eCommerce SEO agency’s specialists will tell you that there are more than 200 ranking factors that Google uses to assign rankings for online stores and eCommerce websites.

We have domain age, name, backlink profiles, internal link structure, headers, title tags, other meta data, site security, speed, navigation features, and literally hundreds more.

But there is one single ranking factor, on which eCommerce SEO services rely, and which has been called king before: content. It is the most important ranking factor in 2026, and eCommerce SEO experts agree that it’s more critical now that it’s ever been.

Why Content Is a More Powerful King Now Than Ever

Content was always important in SEO because, not only was it a ranking signal, but it was the primary avenue through which customers were engaged, and their questions were answered.

That remains true, and it is one of the reasons that content is the most important ranking signal in SEO. That said, it is not the only reason that it remains in the top spot.

Search engines have been relying more heavily on optimized and information-dense copy to differentiate websites. Today, better content wins in the search results, even when you hold all else equal. There was a time when that was not necessarily the case, and when the system could be gamed with other optimizations.

This is just a natural organic shift in the nature and trajectory of search engine optimization. At the same time, search features like featured snippets, and new features, like AI Overviews and other AI-centered search features, are content driven.

Now we have reached the core of why content is the most important ranking signal in the current time: artificial intelligence, and everything related to it.

The AI engines that people are using in droves, like ChatGPT and Gemini, are all large language models, which, as the name might suggest, use natural language processing to analyze data and synthesize results.

Large language models, or LLMs, parse data through copy in a manner more similar to a “mind” than conventional search engines. They literally need copy to interpret information through a website.

As a result, content is the single most important ranking factor when it comes to generative engine optimization, or GEO, which is an analog to SEO.

And while there are other ranking signals implicated in GEO (as there are in SEO) by and large the most important one is content.

It is through content primarily, almost entirely, that large language models make sense of the general relevance of a page, and what information is contained therein.

Most importantly, information-rich content is a critical distinguisher between a quality web page that answers user queries, and one that does not.

Here’s another thing: it’s starting to look like generative engines and other AI models are better at interpreting quality information on a website than search engines ever were. As it was, with search engines, you could sort of dupe them with well-structured pages and by inserting specific keywords in headers. It’s a lot harder to do that with AI engines.

Which is another thing yet. AI engines are better at reading between the lines and getting an understanding of what the copy on a website is all about, even if you don’t follow SEO best practices to the letter.

It’s still best to follow all of those other best practices, but you don’t need to target exact match keywords as stringently as was the case with SEO. Generative engines can pick up what a web page is about as long as it answers the queries the AI engine is looking for.

Working with an eCommerce SEO Agency

All of this is to suggest the following: if you’re hearing from an eCommerce SEO agency that you can still get visibility in search engines and AI models with some backlinks and tweaks to headers, move on. You literally need a content-forward approach in SEO and AI SEO to move the needle in this era.

The bottom line: if you are shopping for SEO or GEO services, make sure you hire an agency who focuses primarily on authority developed through the drafting, optimization, and publication of high-quality, information dense copy.

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