Thanks for the post.
My thoughts - There are two different types of blogs, one is short and another is in detail. The latter is somewhat a view, and guide and includes various sub-topics of a topic and is been discussed in detail. Whereas short blogs consist of an answer and list points of a single topic. The limitation of the word or character counts is very much flexible but in my opinion, I do recommend having at least 800 words found for the detail blogs. The short one can prevail in 300 words but should be answering the topic before going public.
I have experience in both kinds of writing and have been writing technology blogs on various platforms related to healthcare including telemedicine app development, DevOps, cloud technology, software, and various applications.