Advice for linkedin profile & page

I’m looking for advice and suggestions to optimize my LinkedIn presence. I work as an accountant for US, UK, and Canadian companies and am currently pursuing my CPA. I’m also in the process of launching my own business. At the moment, I’m handling marketing, sales, and all the initial tasks to get my business off the ground. However, I’m struggling to understand how the LinkedIn post algorithm works. Any tips on improving my LinkedIn engagement and effectively marketing via LinkedIn