Homepage structure, main nav taxonomy (category count, redundancy, sub-types as filters), 'View All' links, breadcrumbs, and mobile nav first-level categories.

Search bar prominence, autocomplete quality (product/category/brand suggestions + thumbnails), feature queries, spell tolerance, zero-results state, and thumbnail variant matching.

Filter panel (types, value counts, applied-filters overview), back-nav scroll+filter retention, sort completeness (4 required types), product card ratings/swatches, and pagination.

Image gallery, ratings distribution chart, variant selectors, OOS indication, add-to-cart validation (inline specific), cart confirmation (dual paths), size guide and shipping info on-page.

Full order cost in cart, guest checkout (no forced registration), progress indicator, label quality, inline validation, shipping options visible, order review step, trust signals. Stop before payment.