Does readability score actually affect Google rankings?

Yes — directly. Google's quality guidelines explicitly favour content that is clear and easy to understand for the intended audience. Pages with better readability have lower bounce rates and longer dwell times.

Is this tool free? Do I need to create an account?

Completely free, no account required, no limits. It runs in any modern browser on any device.

Is my text sent to any server when I analyse it?

No — all analysis runs locally in your browser. Your text is never transmitted, stored, or logged.

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Readability Analyser

Paste or type your text to instantly calculate Flesch, Gunning Fog, SMOG, Coleman-Liau, and more — with actionable clarity insights.

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Start typing or paste your content into the text area. All six readability formulas will calculate automatically.

How to use

Paste your text (or load one of the calibrated samples) into the editor.
Scores update live as you type — check the Flesch gauge, six grade-level cards, and stats.
Click Highlight to see complex words inline, then revise and re-test.

FAQ

Indirectly — clearer pages have lower bounce rates and longer dwell time, both ranking signals. Aim for Flesch 60+ for general web content.

Blog and marketing copy: 60–70. Landing pages: 70–80. Emails: 80+. Academic/technical content can run lower as audience expects it.

No. Analysis runs entirely in your browser via JavaScript — your content never leaves your device.