Act as an SEO specialist with 10 years of experience in digital marketing. Provide a detailed guide on best practices for optimizing webinars for SEO. Include strategies such as crafting keyword-rich [WEBINAR TITLES], optimizing [DESCRIPTIONS AND META TAGS] with relevant keywords, and leveraging [TRANSCRIPTS AND CLOSED CAPTIONS] to enhance search engine visibility. Explain how to use internal linking, create dedicated landing pages, and promote webinars through blogs and social media to improve rankings. Additionally, discuss the importance of embedding webinars on your website, using schema markup for rich snippets, and tracking performance with analytics tools. Ensure the content is actionable, concise, and tailored for [AUDIENCE TYPE], such as marketers or small business owners.