People come to your blog out of choice and not any compulsion. If you remember this, the rest is not important enough.
Optimize images by mentioning the ALT Text and a short description of the image in your blog post to rank better in Google.
Avoid using SMS abbreviations in blog post and at least run the post through a spell-check in MS-Word before publishing. If the bloggers cannot take the time out to write proper English, why would the readers bother reading through that cryptic puzzle?
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.