Actually the word blog came to existence as an alternative for a diary and since we are already in the world of fast pacing technology it moved along with the pace.
So you don’t have to worry about your grammar just like your diary and it is not like your term paper that will be checked by your professor or an article that will be proof read by your editor in chief.
It is your blog and it is yours, so you are the master of it. But be mindful of your words, blogs reflects on the person creating it. You would be thinking I am an expert in articles or write ups, you’re definitely wrong. I just want to convey what things I am interested in and I am fond of teaching other people what I know.
Going back, don’t be conscious on your grammar. Nevertheless, you shouldn’t use peculiar words here; you just need to say what you want to say in a very simple method that all of us understand. Why? The reason why people search the internet is because they cannot thoroughly understand what a book tries to explain or what the hell is there teacher speaking in front of them, so they search for easier understanding of things.
The hell with grammars and just type what your mind dictates.