Category Tree Explorer
Amazon's native browse-node hierarchy, rebuilt from BREADCRUMB_PATH_CATEGORY_IDS in the sample. Click a node to see its ASINs. Labels for well-known nodes are hardcoded; unknown nodes are labelled from the most common words in their ASIN titles.
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Click any node in the tree to see the ASINs it contains.
Tip: Node IDs are Amazon's permanent browse-node identifiers. A product's leaf-category BSR is the rank that actually predicts sales — root-category BSR is a vanity number because the root is enormous.