There are ways to build up lots of notes that you wouldn't really do if you just sat down to write, because you may get writers block and not write anything, the top ways of building up notes for articles online.
First try and think of what you want to write and just write the titles of your posts, if you are knowledgeable in the area that you want to write about then the blanks will be filled, sometimes an idea is all you need, try and think about this, maybe take a notebook out with you or a digital recorder so that you can record notes or ideas.
Another way is brainstorming words or associated phrases that mean something to the topic you intend to write about, I usually plan well ahead for my blog posts, I always think of the titles and then the titles give me ideas just to get on with writing the actual article content.
Article writing is not for everyone, as some struggle with the concept of creating written work, they think what's the point? but it is important as every website must have content and information for people to read.
There are certain ways to write content and this could be on an emotional level, to reach out to people in a special way by delivering usable content.