Shopify makes meta descriptions straightforward but you need to set them page-by-page. Navigate to the item you want to optimize—whether it's a product, collection, page, or blog post—and scroll down to the 'Search engine listing preview' section at the bottom of the editor. Click 'Edit website SEO' and you'll see a dedicated field for meta descriptions. Keep it under 320 characters to avoid truncation in search results, though Google often rewrites them anyway based on query context. For your homepage, go to Online Store > Preferences, then find the 'Homepage title and meta description' fields near the top. For blog posts, edit the post itself and use the same SEO section. Collection pages and product pages follow the identical pattern—every template type has that SEO panel. What matters more than just filling the field: write descriptions that match search intent for your target keyword and include a clear value proposition or call to action. A climbing gear shop in Ottawa shouldn't write "Buy climbing gear online"—that's wasted space. Instead: "Free shipping across Canada on Black Diamond harnesses, La Sportiva shoes, and Petzl protection. In-stock selection ships from Ottawa within 24 hours." That gives location, brands, benefit, and speed. Shopify's limitation is bulk editing. If you're managing 200+ products, you'll either click through each one or use a third-party app like SEO Manager or Bulk Image Edit. At Ottawa SEO, we often script CSV exports for clients with large catalogs, optimize descriptions in spreadsheets, then reimport. For smaller stores under 50 products, manual entry is faster than learning an app. One watch-out: Shopify auto-generates descriptions from your product copy if you leave the field blank. These are almost always terrible—usually the first 160 characters of your description with HTML tags stripped. Always write custom meta descriptions for your top 20% revenue-generating pages at minimum. The long tail can wait, but your money pages need proper optimization from day one.