Achieve WCAG Zero WAVE Errors

I want the home page of my site to return a clean-slate result—zero errors—when scanned through the WAVE WebAIM accessibility checker, while meeting WCAG 2.1 AA success criteria. Once I send you the URL... (Budget: €8 - €30 EUR, Jobs: Accessibility, Accessibility Testing, CSS, HTML, Visual Design, Web Design, Web Development, Web Services, Website Optimization, Website Testing)