To address gaps in E-A-T on a website, begin by reviewing and updating authors’ credentials and biographies to reflect their expertise clearly. Improve content accuracy by fact-checking and sourcing information from reputable sites. Bolster your site’s authority by acquiring quality backlinks and improving the content’s depth and breadth. Enhance trustworthiness by maintaining a secure site and being transparent with your users. Finally, prune any outdated or irrelevant content that might dilute your site’s perceived trust and authority.