SEO & Stil

Kostenlose Online-Lesbarkeitsprüfung

Berechnen Sie den Flesch-Index für verständliche und wirkungsvolle Texte.

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Score: —Grade: —

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Flesch-Kincaid

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Gunning Fog

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Coleman-Liau

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Automated (ARI)

Linguistic Diagnosis & Tips

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Understanding Readability Score Ranges

Flesch Reading Ease	Grade Level Equivalent	Reading Difficulty	Best Suited For
90 – 100	5th Grade	Very Easy	Children's literature, conversational comics
80 – 89	6th Grade	Easy	Everyday fiction, casual newsletters
70 – 79	7th Grade	Fairly Easy	Popular blogs, how-to articles
60 – 69	8th – 9th Grade	Standard	Mass media, corporate websites, general SEO
50 – 59	10th – 12th Grade	Fairly Difficult	High school textbooks, business reports
30 – 49	College / Undergrad	Difficult	Academic papers, medical journals
0 – 29	Postgraduate	Very Confusing	Legal contracts, patents, specialized research

Key Capabilities of Lesbarkeitsprüfung

5 Readability Formulas

Instant calculations for Flesch Reading Ease, Flesch-Kincaid, Gunning Fog Index, Coleman-Liau, and ARI.

Actionable Text Diagnosis

Specific feedback identifying sentences exceeding 25 words and words with 3+ syllables that increase difficulty.

Target Audience Mapping

Maps readability scores directly to real-world educational levels from elementary school to postgraduate academic.

Private Client-Side Processing

Analyzes confidential business proposals, essays, and drafts in your browser without uploading data to servers.

Häufig Gestellte Fragen

Fragen zum Wortzähler? Hier sind die Antworten

What is a good Flesch Reading Ease score for web content and blogs?

For consumer websites, blog posts, and SEO articles, a Flesch Reading Ease score between 60 and 70 (8th to 9th grade level) is ideal. This ensures your content is effortlessly understood by 85% of adult readers without sounding childish.

How is Flesch-Kincaid Grade Level calculated?

The Flesch-Kincaid Grade Level formula evaluates word length (syllables per word) and sentence length (words per sentence): Grade = 0.39 * (words / sentences) + 11.8 * (syllables / words) - 15.59. A score of 8.0 indicates an 8th-grade reading difficulty.

What is the Gunning Fog Index?

The Gunning Fog Index estimates the years of formal education a person needs to understand the text on the first reading. A Fog index of 12 represents high school senior level, while 16 represents college graduate level.

Does improving readability help Google SEO rankings?

Yes, indirectly. Highly readable content reduces bounce rates, increases dwell time, and improves user engagement. Google’s Helpful Content and ranking systems reward articles that clearly answer queries without unnecessarily convoluted prose.

Is my text sent to any server for readability calculation?

Basic readability analysis runs in your browser using JavaScript. Review the privacy policy for local draft storage and document-processing details.

Writing & Text Ecosystem