There is no definitive answer to this question, as the profitability of a blog will vary depending on a number of factors, including the niche and content of the blog, the amount of traffic it receives, and the level of optimization that has been done to the blog. However, some general conclusions that can be drawn about which blog is most profitable are as follows:
1. Blogs that focus on niche content and generate a high level of traffic are typically more profitable than those that do not.
2. Blogs that have been well-optimized and have a high level of engagement from their readers are typically more profitable than those that are not.
3. The most profitable blogs tend to be those that offer value to their readers, whether that value is in terms of content or an accompanying service or product.