In Baymard’s user testing (source), showing too little information in the list made test subjects do extensive “pogo-sticking” (jumping back & forth between the list and product pages).
Showing too much information leads to overwhelm.
If your niche is visually-driven (apparel, home decor,…), combine:
- A “cut-out” image by default
- An “in-context” image on mouse hover
This also gives you a second chance to convince your shoppers, if they’re not convinced with the first image.
… or vice-versa. Just be consistent.
If your products are spec-driven, show more features and specs on mouse hover
Another option is to show product variations:
Yet another option is show Add to Cart and/or Compare buttons:
What about on mobile?
Baymard recommends to simply not include any secondary data in the product list. Take the user to the product page when they tap on the product.