Content

Articles should have appropriate internal and external links based on length

Checks for author markup and attribution

Checks for malformed HTML structure

Checks for last-modified and published date signals

Checks for duplicate meta descriptions across the site

Checks for duplicate title tags across the site

Validates heading structure and hierarchy

Detects excessive keyword repetition in content

Detects meta tags incorrectly placed in document body

Detects Content-Type header mismatches with file extensions

Analyzes content readability using Flesch-Kincaid

Checks content length for thin content issues