Blog posts discussing eBay’s structured data browse nodes (previously known as “browse pages” or “category pages”), which are designed to increase inbound organic traffic to eBay from outside search engines like Google.

eBay SEO History
Hope for eBay’s Future and the End of the BHP Subdirectory
Although it took eBay six full years to take down its “SEO pages,” doing so has finally made way for the long-awaited potential of improved organic Google search rankings for eBay product listing pages. […]