I feel like a good blog needs.....
You need a good audience/reader
Good Title for the reader to hook them in and get the reader's attention.
Put the main part in the first paragraph to interest people.
You use I for first person, we for second person and so on.
Interesting language and good information about your topic.
The style of writing needs to be friendly and kind.
Put the details in the following paragraph so the reader can understand what you're saying.
Images that suit what you're writing and connect up to your blog that the reader would like.
Describing things that you have done in the past and reflecting on your other blogs.
Hopefully you get good feedback at the end.