Shopify's SEO capabilities sit comfortably in the 7/10 range for most merchants. The platform handles the technical basics well: it generates XML sitemaps automatically, enforces HTTPS, delivers mobile-responsive themes out of the box, and maintains reasonable page speeds with modern hosting infrastructure. You get canonical tags, customizable title tags and meta descriptions, and structured data for products without touching code. For a store selling 50–500 products in a moderately competitive niche, Shopify's native SEO is usually sufficient to rank well with proper optimization. The structural weaknesses show up when you scale or compete in saturated markets. Shopify forces /collections/ and /products/ into every URL, adding unnecessary depth that dilutes link equity compared to flatter structures. You cannot customize URL hierarchies beyond these templates. Duplicate content is baked in: collection pages, tagged pages, and product pages accessible through multiple URLs create indexation headaches that require manual canonical work or apps to fix properly. The blog platform is notably weak, with limited taxonomy options and no native support for content silos or advanced internal linking patterns that content-heavy SEO strategies need. Page speed on Shopify depends heavily on your theme and app stack. A clean theme with 3–5 apps can score 60–80 on mobile PageSpeed Insights, but stores running 15+ apps for reviews, upsells, chat widgets, and email capture often drop to 30–50, which impacts rankings and conversions. Shopify's app ecosystem is a double-edged sword: you can add almost any functionality, but each app injects additional JavaScript that compounds performance issues. At Ottawa SEO, we run several Shopify stores in our portfolio and treat it as a pragmatic choice: excellent for getting a store live quickly with baseline SEO competence, but you hit a ceiling against custom platforms or headless setups when competing for high-value keywords in markets like supplements, fashion, or home goods. If you are doing under $500K annually, Shopify's SEO limitations rarely matter. Above that, the ROI of migrating or heavy customization starts to pencil out.