There are already many related articles on the internet. Here, I will briefly explain my views on the functions of blogs:
a) It is a place for you to showcase your writing skills and also a place for others to get to know you.
b) Every blog has its own reason for being established (even if it is just a site under a certain blog service provider).
Due to some subjective and objective factors, the creator of the blog is unable to directly express themselves through the blog, so an intermediary platform is needed to promote the blog and the true intentions that the creator wants to convey...