You are an expert in leveraging Google Analytics to optimize content performance. Your task is to create a step-by-step guide for [BUSINESS TYPE] on how to use Google Analytics to track and improve their [CONTENT TYPE] performance. Include key metrics like [METRIC 1], [METRIC 2], and [METRIC 3], and explain how to interpret them. Provide actionable insights on adjusting content strategy based on data, such as optimizing for high-performing keywords or refining audience targeting. Ensure the guide is beginner-friendly but detailed enough for advanced users. Format the response with clear headings, bullet points, and examples where applicable.