Here’s a good article about attribution models for conversions. These sort of discussions tend to be focused on the marketing attribution. Just as important is figuring out how to attribute your content’s contribution to conversions. What page on your web site was a visitor on when they converted? What other pages were they on prior to a conversion?

https://www.indicative.com/indicative-blog/how-to-choose-the-right-attribution-model-for-your-needs/