SEO best practices involve optimizing your website to improve its visibility on search engines like Google. This includes using relevant keywords in your content, ensuring your site is mobile-friendly, and improving page load speed. Quality content that answers users' questions is crucial, as it encourages engagement and sharing. Another important aspect is building backlinks from reputable sites, which can enhance your site's authority. Additionally, using descriptive meta tags and alt text for images helps search engines understand your content better. Regularly updating your site with fresh content also signals to search engines that your site is active and relevant.