Readable is a readability and content-quality analysis tool: analyzes text, files and URLs for readability scores, SEO optimization, keyword analysis and content suggestions, with an API for third-party integration.
Starting at $5/user/month. Free version and free trial available. Higher tiers add multi-user logins, full website analysis and the readability API.
Content marketers and writers wanting readability scoring integrated with SEO analysis and competitive content comparison, beyond a plain readability checker like Hemingway.
The full-website analysis and readability API (higher tiers) are worth it specifically for agencies auditing readability across an entire site, not merely single documents.
A tool for analyzing text readability against standard metrics.