Search results reward pages that are useful, accessible and clearly aligned with what people are trying to accomplish. Start with crawlability and indexation, then improve page intent, content depth and internal linking.
Technical SEO is not about chasing every audit warning. Prioritize issues that prevent search engines from discovering, rendering or understanding important pages.
Next, map keywords to real search intent. A commercial query needs a different page experience from an informational query. Build pages that answer the task quickly and then help the reader take the next step.
Finally, create a strong internal linking system. Important pages should be reachable from relevant content, with descriptive anchor text and a sensible hierarchy.