An on-page SEO check is the start, not the finish
A quick analyzer is great for catching the obvious wins - missing headings, thin meta tags, images without alt text, no structured data. But ranking is won on the harder stuff a single scan can't fully grade: Core Web Vitals on real devices, internal linking, content depth versus the pages already ranking, and crawl/indexation health. Use this tool to fix the quick issues, then if you want the deeper work done and shipped, that is exactly what my SEO, technical SEO, and AEO/GEO services cover.