Siteimprove SEO incorporates 70+ unique SEO checks, including scans for missing meta descriptions, spelling mistakes, broken links, outdated files, poor readability, and links to unsafe domains.
How you perform against these checks make up your SEO Score, measured on a scale of 0-100. Separated into Technical, Content, User Experience, and Mobile standards, errors are highlighted directly on the page and in the HTML for those working behind-the-scenes.
Siteimprove SEO's on-page diagnostics include:
Prioritized list of hands-on recommendations
Difficulty level rankings to help you define necessary time and resources
SEO Score and industry benchmarks to gauge performance at a glance