Grammar - Depending on the language you use, blogging just makes it imperative that you are reasonably good with your grammar skills and proficiency if not a master. Remember your audience is a mix of both; the ones who are experts and the ones who are not.
Be awesome. There's enough mediocrity out there. Stop adding to the noise and do something outstanding.
Incorporate gadgets and widgets on your blogs so that people who drop by your blog can keep a tab on what you will be writing next.
It was lovely knowing your takeaways from 2017. Now, let us hear your wishes for 2018. Aren't we all looking at the new year with love and hope? It is better to write down and then refer to it regularly if you really care about them.