Aleyda Solis is an international SEO expert and the Founder of Orainti. During her SEJ eSummit session, she shared valuable insights on optimizing eCommerce websites for international markets. Her tips include analyzing potential traffic volume, using tools like SimilarWeb and SEMrush to identify opportunities, differentiating web structures to cater to country-specific search behaviors, localizing content, implementing hreflang annotations correctly, and utilizing tools like Hreflang Builder and Ryte for monitoring and implementation.