If you’ve ever used an SEO plugin like Yoast or Rank Math, you’ve seen that “focus keyword” field staring back at you. You type something in, the plugin runs some checks, and you get a green light (or a frustrating orange one). But here’s the thing: if you’re new to SEO, you might not actually understand what a focus keyword is, or why it matters beyond making that indicator turn green. A focus keyword isn’t just a box to fill in. It’s the foundation of your on-page SEO strat
