Whether you are writing for digital or print media; writing a lab report, essay, blog or technical report; the need for good, quality writing is required for all media and formats. Whatever format you use, you will best represent yourself if you use correct grammar and punctuation. Beyond grammar there are some basic traits of good writing that apply to nearly all genres. In his book Writing and Editing for Digital Media, Brian Carroll lists seven principles of good writing :
Remember that writing is usually a recursive process of writing, editing, revising, evaluating, and then looping through that process again and again until you are confident in the result of your efforts. It takes time, effort, and will to write well.
Carroll, Brian. Writing and Editing for Digital Media. 2nd ed., Routledge, 2014.