Here's where you can find your search engine optimization settings in your seller panel:

• product
  • Optimize your product for search engines.
  • Search engine optimization for product pages is set automatically. If you want to create it manually, you can do it yourself.

• Seller Tools - Seller Settings - Additional Features
  • Optimize the search engine of your store.

In order to be optimized for search engines, it is important to write down the product features in detail.