If they can't find it, they can't buy it! Make navigation easy for customers.
Always start broad and become more specific as you move down the hierarchy.
Don't embed attributes (like color or material) into the taxonomy hierarchy, instead use attributes as filters.
To create an awesome online shopping experiences - make sure your filters are CLEAN and COMPLETE.
Create great product comparisons with attributes.
Use product relationships to make secondary items more findable.
Never, ever, use "Other" or "Misc" as a category.
Use this rule to make sure your products can be found.
Use product relationships and tagging to create kits.
Clean and concise taxonomy labels are essential to a user-friendly ecommerce experience.
Polyhierarchy can help improve findability but don't overdo it!
Secondary taxonomies can, and should, be used to make a better user experience.
Continuous improvement of your taxonomy depends on an ongoing testing regime.
Attribution and navigation are just two important ways to use taxonomy.