Scan documents for technical SEO and have give score out of 100.
Example

Focus keywords in SEO title
Focus keywords in body content
Focus keywords in headings (H2, H3, ...)
Focus keywords in URL (slug)
Focus keywords in meta description
Focus keywords (0) in feat. img name
Focus keywords 0 in alt text images
Key Word in URL
Score for external links
Score for internal links
Keyword in anchor text of external links