What are some leading practices regarding text on websites? Note: There are 3 correct answers to this question.

What are some leading practices regarding text on websites? Note: There are 3 correct answers to this question.
A . Use high contrast text, for example, black text on a white background.
B. Use half the word count or less than conventional writing.
C. Avoid using bulleted or numbered lists.
D. Break up lengthy content and separate with headings.
E. Use a serif font (such as Times New Roman), rather than a sans-serif font (such as Arial).

Answer: A,B,D