Good e-commerce pages explain what the product is, who it is for, how to compare options and what happens next. Search-friendly writing supports the buying decision; it is not a separate layer added after design.
Collection pages need helpful context and navigation, while product pages need accurate specifications, availability, trust signals and answers to real pre-purchase questions. Both should work smoothly on mobile.
Connect product discovery to the rest of the site. Guides, comparison content, sizing information and service pages can answer questions earlier in the journey and create meaningful internal links.
What to do next
Choose the one improvement most likely to reduce friction for a valuable user journey. Measure the result, learn from it and build from there.