Facebook does not officially allow blogging, but there are ways to get around this. One way to blog on Facebook is to use a third-party blogging tool. Another way to blog on Facebook is to use a plugin or extension. Finally, you can create a Facebook Page for your blog and use that as your main platform for publishing content.
While all of these methods work, they are not 100% reliable and may have some limitations. Overall, it is unclear whether or not Facebook officially allows blogging, but there are various ways to get around this restriction if you want to start blogging on the platform.