Cross-selling through navigation — how to link related categories for higher basket size

When Cross-Selling Works — and Where Most Stores Miss It

Cross-selling is one of the most-discussed average order value (AOV) strategies in e-commerce. Most implementations focus on the product page ("frequently bought together") or the cart ("add these items before checkout"). These are effective placements, but they work at a late stage in the purchase journey — when the visitor has already identified the primary product and is deciding whether to buy it. By this point, the visitor's attention is narrowed toward the purchase decision, not toward discovering new product categories.

Navigation-based cross-selling operates at an earlier, wider stage: during the browsing phase, when the visitor is still exploring and their attention is genuinely open to discovery. A visitor who enters through a "Jackets" category and sees a nearby "Scarves & Accessories" section in the Mega Menu may not have come to the store intending to buy an accessory — but the proximity of the categories in navigation creates a natural discovery path. The cross-sell happens before intent is narrowed, which is when it's most effective at expanding the basket.

How Navigation Proximity Creates Cross-Sell Opportunities

The mechanism is simple: categories that appear near each other in navigation get visited together more often than categories that are far apart in navigation architecture. This is a direct consequence of how visitors scan menus — they see the full navigation structure at once, and proximity in that structure creates implied relationships between categories.

A well-designed Mega Menu turns this proximity effect into a deliberate strategy. By grouping related categories in the same Mega Menu panel — placing them in adjacent columns or in the same column — you create a natural browsing path from one category to a complementary one. The visitor who came for one product type encounters the complementary category with zero friction: it's right there, in the same navigation context, one click away.

This is structurally different from product-page cross-sell widgets, which require the visitor to be in a specific product's context. Navigation cross-selling is contextual at the category level — it works for any visitor exploring any product within a category, not just visitors who land on a specific product page where the widget has been configured.

Designing Your Navigation for Cross-Category Discovery

The first step is identifying which categories in your catalog have genuine cross-sell relationships. Your purchase data is the best source for this: look at which category combinations appear most frequently in orders with more than one product type. If customers who buy from Category A frequently also buy from Category B, those two categories have a demonstrated cross-sell relationship and should be in navigation proximity.

Common cross-sell navigation groupings by industry:

Fashion: Outerwear + Accessories; Footwear + Care & Styling; Basics + Layering Pieces

Home goods: Bedding + Sleep Accessories; Cookware + Kitchen Tools; Furniture + Cushions & Textiles

Sports & outdoors: Equipment + Maintenance; Apparel + Gear; Nutrition + Training Accessories

Beauty: Skincare + Tools; Makeup + Primers & Setting; Hair care + Styling Tools

Cross-Sell Approach	Stage in Purchase Journey	Discovery Openness
Product page "Frequently bought together"	Late — product identified, intent narrowed	Low — visitor focused on primary purchase decision
Cart upsell widget	Very late — already in checkout flow	Very low — checkout intent is dominant
Navigation category proximity (Navi+)	Early — browsing, discovery mindset active	High — visitor is open to category exploration

Building the Cross-Sell Navigation Structure

With Navi+ AI Menu Builder, the Mega Menu supports multi-column layouts that can group related categories in the same panel. To implement cross-sell navigation:

Map your cross-sell pairs from purchase data — which categories are bought together most often? Start with the top three to five pairs.

Structure the Mega Menu so each cross-sell pair shares a panel or appears in adjacent columns. A visitor who opens the "Skincare" mega menu panel should see "Tools & Devices" in the same view, not buried in a separate navigation section.

Label intentionally — a cross-sell column labeled "Complete Your Routine" or "Shop the Look" communicates the relationship between the categories explicitly, making the cross-sell suggestion feel like curation rather than promotion.

Navi+ makes Mega Menu column configuration a drag-and-drop process. Once the category groupings are set, they work passively for every visitor who opens the menu — no ongoing maintenance required.