37. Product page must contain breadcrumbs (not applicable for one product stores)
Breadcrumbs are a secondary navigation aid that helps users and search engine robots easily understand the relation between their location on a page (like a product page) and higher-level pages (a category page, for instance).
Display breadcrumbs to make store browsing quicker for users. This way when a customer reaches a page they don’t want to be on, they can easily find their way back or go back a step or two and start over.
Additionally, this will help search engines recognize your website pages better – making finding your products online easier for potential customers.
The most crucial page on your store is your product page.
If you properly construct your product page, you will see increased revenue.
If you do the opposite, any marketing efforts will fall short of expectations.
That's why you need to concentrate your design work on product page optimization.