If you are getting traffic and struggling with conversions, possibly your content is not helping users.
Maybe try improving your content.
If your content quality is good, work on the presentation i.e. always try to provide your top choices on the top of all articles by making a comparison table, because your customers maybe in hurry.
Provide as much information as you can because people who search for "best of" articles have probably already made their mind to make the purchase, they are just looking for your recommendations or some expert advice on the product they want to buy.
There can be other factors affecting your conversations which you will have to find out yourself by experimenting.