Best practices for listing optimization is, you need to include the best and mid-tier keywords for your product in your listing, another thing is that your listing should be written for people and not for bots to recognize it as a listing, cause you be selling to people and not bots, good images, good length title, 5-6 bullet points with good length, A+ or even better Premium A+, are some of the most common things you can do for optimization.
