How do I write my first AI prompt for a blog post without it going off-topic?

To write your first AI prompt for a blog post without it going off-topic, you need to define three things clearly: the exact topic, the audience, and what you explicitly don't want included — and you put all of that in the prompt before you even mention the task. Most beginners open with "Write a blog post about productivity." The AI then has to guess what you mean. Is it for busy parents? Corporate executives? College students? It'll default to something generic and probably wander into tangents about morning routines or famous CEOs. A better prompt looks like this: "I need a 500-word blog post about productivity for remote workers who struggle with distractions at home. Focus only on environmental changes (like desk setup and noise control), not time management apps or motivation advice. Do not mention COVID-19 or working from home during the pandemic." See the difference? You've built a fence around the topic. The AI knows exactly where to stay. A tip I've learned the hard way: the "do not include" part is often more important than the "include" part. AI loves to drift toward clichés. If you don't want a paragraph about "in today's fast-paced world," say so. If you want a full walkthrough on structuring prompts from scratch, see our guide on how to write AI prompts. **Related**: Why does my AI-generated blog post keep repeating the same point? | How long should a good AI prompt be?