Shopify SEO: What the Platform Does for You, What It Won’t Let You Change, and the Collection URL Trap
Shopify already generates your sitemap, robots.txt and canonical tags. Shopify SEO is the part it leaves to you: theme links, titles, redirects and the within filter that puts one product at several URLs. Shopify’s and Google’s own words, a fixed-versus-yours decision table, and a worked model of how fast duplicate product URLs multiply.