It’s practical. There are steps they can take. Actionable posts lend themselves to list formats, which makes a post more scannable and reader-friendly. Example: How to Write a Blog Post That Ranks High.
2
The reader LEARNS something.
If you want to teach something, you need supporting evidence. Facts, research, and expert input make your assertions more believable.
1
The reader FEELS something.
You felt something while you wrote it. It’s your voice and your opinion. It means something to you, good or bad. If you don’t care, why would your readers?