Comprehensive SEO fixes & Ongoing Optimization

I'm already familiar with the site's strengths and weaknesses. It ranks at the top of AI Overviews for its core terms and brings in steady organic traffic, and I've catalogued the technical gaps — schema, metadata, sitemap, page speed, and so on — in my own audit... (Budget: $750 - $1500 USD, Jobs: Content Strategy, Conversion Rate Optimization, Google Analytics, HTML, JavaScript, Link Building, PHP, SEO, SEO Auditing, Website Optimization)