This advice is effective only if you are already famous or established. The most successful online writers who built their own brands without outside help began by writing huge, long articles that appealed to readers with high iqs and high attention spans. Short, concise articles are a dime a dozen and forgettable. You need to write looong essays to stand out and get content viral even if the articles are seldom read to thier entirety. An example is waitbutwhy.