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Content Readability Scorer

Paste your content and get instant readability metrics. Everything runs in your browser — no data is sent anywhere.

How to Use This Tool

  1. 1

    Paste your content into the text area — articles, blog posts, or any web copy.

  2. 2

    Review the English-language Flesch Reading Ease estimate, sentence metrics, and regex-based passive-construction estimate.

  3. 3

    Use the flags as editing prompts and keep terminology or passive constructions when they suit the intended reader and meaning.

Why This Matters for SEO

Readability formulas can flag long sentences and complex wording that may make a draft harder for its intended audience. Use the score as an editing aid, then apply judgment based on the reader, subject, and terminology the page genuinely requires.

Frequently Asked Questions

What is the Flesch Reading Ease score?+
It is an English-language formula based on sentence length and estimated syllables per word. Higher values generally indicate simpler prose, but the result is only an approximation and is not suitable for every language or specialist audience.
Does readability affect SEO?+
There is no universal readability score required for rankings. Clear writing can improve the reader's experience, but the appropriate vocabulary and sentence complexity depend on the audience and topic.
What reading level should I target?+
Choose a level that suits the intended reader. General-audience pages often benefit from plain language, while technical, legal, or academic content may legitimately require specialist terms.

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