Test the readability score of your content

Check the readability of the text on a web page

Check the readability of your texts and get metrics to help improve the user experience (UX) and the reading of your content.

Analyzing text and calculating readability score...

Online text readability checker

Maximize the impact of your content with optimized readability

In the competitive world of SEO, the readability of your texts is crucial for engaging your readers and boosting your search engine rankings. Clear and easy-to-read text is essential for retaining user attention and reducing bounce rates, factors that search engines consider when ranking pages. Our tool analyzes your content to ensure its readability supports your SEO goals.

An effective readability test tool should evaluate more than just sentence length and syllable count. It is crucial to consider elements such as information design, semantic coherence, and the relational and cultural contexts that influence text comprehension.

Tool for checking the readability of web pages

The readability of your content directly influences visitors’ experience on your site, affecting key indicators such as time spent on a page, session duration, and bounce rate. If users find your content difficult to read or understand, they are likely to leave your site more quickly, increasing the bounce rate.

A high bounce rate can be interpreted by search engines as a sign of a poor user experience, thus negatively impacting your site’s ranking. By optimizing readability, you encourage visitors to spend more time exploring your content, which can reduce the bounce rate and send positive signals to search engines about the quality of your site. A well-designed tool incorporates these dimensions to provide a more accurate and useful measure of readability, thereby improving the quality of communication and reader engagement.

Understanding Readability Indices

Readability indices help writers ensure their content is accessible and comprehensible to their target audience, thus enhancing engagement and effectiveness.


Evaluates the simplicity of language and structural clarity, based on the average number of syllables per word and words per sentence.

The Flesch-Kincaid readability index was developed by Rudolf Flesch and J. Peter Kincaid; it was commissioned by the U.S. Navy to improve the clarity of technical manuals and documents, measuring ease of reading based on word and sentence length.

Gunning Fog

Measures the educational level needed to understand a text by combining word length and sentence complexity.

The Gunning Fog index was created by Robert Gunning in 1952 with the aim of simplifying the language of American newspapers; it assesses the educational level needed to understand a text by focusing on word length and sentence complexity.

SMOG (Simple Measure of Gobbledygook)

Estimates the education level required to fully understand a text based on the number of polysyllabic words and sentences.

Developed by G. Harry McLaughlin in 1969, the SMOG is designed to estimate the number of years of formal education an individual must have to fully comprehend a text, using the density of polysyllabic words to calculate its complexity.


Calculates a score based on the number of characters per word and the number of words per sentence, useful for a quick estimation of readability.

The Coleman-Liau index, designed by Meri Coleman and T. L. Liau, aims to offer a readability estimate that does not directly depend on syllabification but rather uses word length in terms of letters and sentence length to predict the school grade level required to understand a text.

ARI (Automated Readability Index)

Uses factors such as characters per word and words per sentence to determine the school age required to understand a text.

The Automated Readability Index, developed by Edgar Dale and Jeanne Chall in 1967, uses word and sentence length to calculate the American school grade level needed to understand a text, thereby facilitating the adaptation of texts to different educational levels.

Enhance readability for better SEO and user engagement

Why is readability crucial for your website?

The benefits of improved readability include enhanced user experience, SEO optimization, and increased visitor engagement. Readable content decreases bounce rates and increases interactions, sending positive signals to search engines. Use our tool by entering the URL of the page to be tested. Results, including improvement tips, will be displayed immediately.

Enhanced User Experience

Clear and well-structured texts facilitate navigation and quick understanding of information, thus improving the overall site experience.

SEO Optimization

Improving the readability of your content contributes to better SEO by helping search engines understand and index your pages more effectively.

Visitor Engagement

Readable content encourages users to interact more with your site, which can increase the duration of visits and reduce the bounce rate.

Improvement Tips

Our tool provides practical recommendations to make your texts more accessible, thus enhancing the effectiveness of your online content.

Readability at the heart of user experience

Frequently Asked Questions

Our readability testing tool evaluates textual content using multiple analytical methods. It first calculates the estimated reading time based on the total number of words, applying an average reading speed tailored to the target audience. Then, it applies recognized formulas such as Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, and the Automated Readability Index (ARI). These indices consider factors like sentence length, word complexity, and the overall structure of the text to provide a comprehensive measure of readability.

Our tool is designed for use by a wide range of users, including content writers, educators, marketers, and anyone interested in the quality of written communication. It is particularly useful for those who wish to optimize their texts for better understanding and reader engagement, thus enhancing the user experience and SEO.

Our tool analyzes text extracted from web pages to assess its readability. It first cleans the text by removing irrelevant elements such as scripts and images, then evaluates the text according to various readability indices that measure word complexity, sentence length, and overall structure. These analyses help to determine if the content is accessible to a specific targeted audience.

By using our tool, you will receive detailed scores for each readability index used. Each score comes with a clear interpretation indicating the level of ease or difficulty of reading the text. Additionally, suggestions for improving readability may be provided, such as simplifying syntax, reducing sentence length, or using less complex words.

A readability score is a numerical evaluation that indicates how easily a text can be read and understood. Different scores are calculated to reflect different aspects of readability, such as vocabulary simplicity, grammatical complexity, and sentence length. These scores help determine whether a text is suitable for a certain level of reader, ranging from elementary to higher education.

To enhance the readability score of your text, consider shortening sentences, using less complex words, and clearly structuring your ideas. Our tool may suggest specific adjustments such as optimizing syntax or eliminating excessive jargon. By incorporating these changes, you can make your content more accessible and engaging for your target audience.

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