Choose an ecommerce SEO service based on your business goals, not a sales...

https://www.adirs-bookmarks.win/choosing-ecommerce-seo-services-starts-with-your-business-goals-not-a-generic

Choose an ecommerce SEO service based on your business goals, not a sales pitch. Ask how they handle faceted navigation and stockouts, which reports connect work to results, and what any guarantees cover—and exclude.