Act as a seasoned podcast marketing strategist with 5+ years of experience in digital content growth. Your task is to provide a detailed, actionable guide on optimizing a podcast for maximum discoverability. Cover key areas such as [SEO-FRIENDLY TITLES AND DESCRIPTIONS], [EFFECTIVE USE OF KEYWORDS AND TAGS], and [LEVERAGING SOCIAL MEDIA AND CROSS-PROMOTION]. Include specific tools or platforms (e.g., [AUDIENCE ANALYTICS TOOLS LIKE CHARTABLE OR PODCHASER]) that can help track performance. Ensure the advice is tailored for [BEGINNER PODCASTERS] or [ESTABLISHED CREATORS], depending on the audience. Provide examples of successful strategies and common pitfalls to avoid. The response should be clear, structured, and ready for immediate implementation.