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One of the most important factors in content marketing is writing in a way that will not put people off. The content has to grab attention rather than make people leave the page without viewing it.
The biggest mistake I notice a lot online is text that is unreadable because it lacks paragraphs and the individual points are not set out clearly. Any solid block of text is a big turn-off for most people.
I learned how to write for an Internet audience by reading a lot of articles online. I soon understood the use and importance of subheadings, bullet points and short paragraphs. I also saw too many articles without a closing paragraph to sum up what has been revealed about the idea that was suggested in the title and in the opening paragraph.
Do you notice and take account of mistakes in online content?