With rich search results, People Also Ask, AI overviews, and Shopping results taking up more real estate than ever in Google search results, not to mention the importance of being found on LLMs like ChatGPT, it's clear that SEO is no longer just about matching words on a page. Search engines like Google and Bing, shopping providers and AI systems need clear facts about products, brands, reviews, prices, availability, shipping and returns. For eCommerce websites in particular, structured data gives those systems a cleaner way to read what shoppers can already see. Structured data will not rescue weak content, poor products or messy site architecture. It's not a magic ranking switch. What it can do is help search engines understand pages, qualify pages for rich results, improve product visibility and make business information easier to interpret. This article follows the supplied brief and focuses on structured data for SEO, schema markup, eCommerce, rich results and AI search. What is structured data?…