SHOOT: Blog often, about what interests you. Care about your audience, but care more that your own work interests [not merely entertains] you. Remember also that your work and the content you put up reflects you - so keep your standards up to scratch.
Becoming an expert in the skill of writing
I am saying that you need to practice your writing every day if you want to become good at it. Half an hour at least.
Regular doesn’t mean annually
The aim is to practice, not be perfect