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.
The complexity of your data model will depend on the type of products you sell.
A style guide with rules about how data should display ensures consistency across your site.
Short on time? Get the a quick run down on seven ways to improve your product taxonomy.
Here are the crib notes for tips on taxonomy best practices for ecommerce.