The meta description field in Shopify sits at the bottom of each content editor—whether you're editing a product, collection, page, or blog post. Look for a section labeled "Search engine listing preview" and click the "Edit website SEO" button to reveal the meta description input field along with page title and URL handle controls. For products, navigate to Products > select your product > scroll down. For collections, go to Products > Collections > select collection > scroll down. For pages, it's Online Store > Pages > select page > scroll down. The pattern is consistent across content types, which makes bulk optimization straightforward once you know where to look. Shopify limits meta descriptions to 320 characters in the input field, though Google typically truncates around 155–160 characters on desktop and slightly more on mobile. We write to the 155-character sweet spot to avoid cutoffs in search results. The platform auto-generates a meta description from your page content if you leave it blank, but these are usually terrible—generic product specs or the first sentence of a description that wasn't written with SERP appeal in mind. For homepage meta description, go to Online Store > Preferences > scroll to "Homepage title and meta description." This is separate from the page editor flow and easy to miss if you're new to the platform. At Ottawa SEO, we typically optimize meta descriptions in batches using Shopify's bulk editor or CSV export for stores with 50+ products. The native interface works fine for smaller catalogs. Write for click-through, not keyword stuffing—your meta description doesn't directly impact rankings but a compelling one can lift CTR by 15–30% compared to auto-generated garbage. Focus on the value proposition, include your primary keyword naturally, and make it specific enough that someone searching knows this page answers their query. Generic descriptions like "Buy quality products online" waste the most valuable real estate you have in search results.