Content Readability Checker
Paste your content and get instant readability analysis — Flesch Reading Ease score, grade level, passive voice detection, complex word percentage, and AEO optimization tips.
What Is the Flesch Reading Ease Score?
The Flesch Reading Ease score is a readability metric that rates text on a scale of 0 to 100 based on average sentence length and syllables per word. A score of 60-70 is considered ideal for web content (Grade 8-10 level). Scores above 70 indicate easy-to-read content, while scores below 30 indicate very difficult academic-level text. For SEO and AEO (Answer Engine Optimization), content with higher readability scores is more likely to be cited by AI search engines.
What Is a Readability Score?
A readability score measures how easy your text is to understand. The most widely used metric is the Flesch Reading Ease score, which ranges from 0 (very difficult, academic) to 100 (very easy, conversational). It is calculated based on average sentence length and syllables per word. Most web content should aim for a score of 60-70, equivalent to Grade 8-10 reading level.
How This Readability Checker Works
Paste any text into the input field and click Analyze. The tool calculates your Flesch Reading Ease score, Flesch-Kincaid grade level, average words per sentence, syllables per word, passive voice percentage, complex word percentage, and estimated reading time. It also provides AEO-specific tips to make your content more likely to be cited by AI search engines.
Why Readability Matters for SEO and AEO
Google has confirmed that content readability affects user engagement metrics, which influence rankings. For AEO, readability is even more critical — AI engines like ChatGPT and Perplexity prefer content that uses clear, direct sentences with simple vocabulary. Content written at Grade 8-10 level gets cited 3x more often than academic-level writing.
Who Should Check Content Readability?
Content writers before publishing blog posts, SEO specialists optimizing existing content, email marketers improving newsletter engagement, copywriters testing landing page copy, and anyone creating content intended for a broad audience. If your content targets non-native English speakers (common in India), aim for even simpler readability — Grade 6-8.
Need Content That Ranks and Gets Cited?
Readability is one piece of the puzzle. Our content team creates SEO-optimized, AEO-ready content that ranks in Google and gets cited by AI engines.
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