When you publish an article, ranking on Google is only one part of the job. The next challenge is getting people to read it, understand it, and take action. This is where readability becomes important.
One popular way to measure readability is the Flesch Reading Ease score. It checks how easy or difficult a piece of English content is to read by looking mainly at sentence length and word complexity. A higher score means the content is easier to read, while a lower score indicates more complex writing.
For bloggers, marketers, and website owners, the score can be a useful editing guide. It should not control every sentence you write, but it can help you identify content that feels too dense, too complicated, or difficult to follow.
What is the Flesch Reading Ease score?
The Flesch Reading Ease score is a readability metric developed to estimate how easily people can understand written content. It uses two main factors:
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The average number of words in each sentence.
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The average number of syllables in each word.
The formula is:
Here, ASL means average sentence length, while ASW means average syllables per word.
The result is generally presented on a scale from 0 to 100. A higher score suggests simpler writing, while a lower score suggests more difficult or technical content.
For example, this sentence is easy to read:
The app opens quickly and works on most phones.
It uses short words and a simple sentence structure.
Now compare it with this version:
The application demonstrates improved operational efficiency through an optimized architecture designed for compatibility across multiple mobile environments.
The second sentence is not necessarily wrong, but it is more formal, longer, and harder to understand quickly.
Flesch score interpretation
A common interpretation of the score looks like this:
A score between 60 and 70 is often considered readable for a broad general audience. Online articles, news posts, guides, and marketing content often aim for a clear, accessible range rather than overly academic writing.
However, there is no universal perfect score. A medical research article, developer documentation page, or legal guide may naturally have a lower score because the subject requires technical language. A beginner-focused tutorial, on the other hand, should usually be easier to read.
Why readability matters
Readability matters because online readers rarely read every word from beginning to end. They scan headings, short paragraphs, bullet points, tables, and highlighted sections. If the writing looks complicated, many visitors leave before finding the answer.
Clear writing can help readers:
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understand information faster,
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stay longer on the page,
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follow instructions correctly,
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remember important points,
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and take the next action.
Does Flesch readability affect Google rankings?
The Flesch score itself is not a direct Google ranking factor. Google does not rank a page simply because it has a particular readability number. Search performance depends on many factors, including relevance, content quality, helpfulness, technical accessibility, authority, and how well the page satisfies search intent.
Still, readability can influence the user experience. If an article is easier to understand, readers may be more likely to continue reading, visit another page, share it, or complete an action. Those benefits can support the overall performance of the content.
The correct approach is not to write unnaturally simple content just to achieve a high score. The goal is to make your writing clear, useful, and appropriate for the intended audience.
How to improve your Flesch score
Use shorter sentences.
Long sentences often contain too many ideas. Break them into two or three sentences when necessary.
Instead of:
If your website is slow, difficult to navigate, and poorly optimized for mobile devices, visitors may leave before they find the information they need.
Write:
A slow website can frustrate visitors. Poor navigation and weak mobile optimization can make the problem worse. Some users may leave before finding the information they need.
The second version is easier to scan.
Choose familiar words
Use simple words when they communicate the idea accurately. Replace complicated terms with common alternatives where possible.
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Utilize → Use.
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Commence → Start.
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Purchase → Buy.
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Approximately → About.
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Demonstrate → Show.
This does not mean removing every technical term. It means explaining specialist language instead of assuming every reader already knows it.
Keep paragraphs short
Large blocks of text are difficult to read on phones. Aim for short paragraphs that focus on one idea. Two to four sentences are often enough for online content.
Short paragraphs also make it easier for readers to scan the article and find the section that answers their question.
Use active voice
Active voice usually sounds more direct.
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Passive: The settings should be checked by the user.
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Active: Check the settings.
Active writing is often shorter and clearer. It also gives instructions more energy.
Add useful headings
Headings divide a long article into logical sections. They help readers understand the page structure before they start reading.
Good headings should describe the content that follows. For example:
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Why your screen keeps dimming.
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How to check automatic brightness.
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When the problem may be hardware-related.
Avoid vague headings such as “More Information” or “Things to Know.”
Use lists and tables
Lists are useful when you are explaining steps, features, causes, or comparisons. Tables are effective for pricing, specifications, tools, and side-by-side evaluations.
These elements improve the visual structure of a page and make important details easier to find.
Readability is not the same as simplification.
A common mistake is trying to make every article extremely simple. That can remove important detail and make expert content feel shallow.
A strong article can be easy to read while still being technically accurate. The key is to explain complex ideas in a logical order. Introduce the basic concept first, define important terms, and then move into advanced details.
For example, an article about agentic AI can explain the basic meaning before discussing planning, tool use, memory, and autonomous workflows. The subject remains advanced, but the reader has a clear path through it.
How to use the score properly
Treat the Flesch score as an editing signal, not a writing target. After drafting an article, check the score and look for sections that may be too dense. Then read the article yourself.
Ask:
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Does the introduction answer the main question?
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Are the sentences easy to follow?
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Have I explained technical terms?
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Are the paragraphs too long?
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Does the article sound natural?
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Is the content suitable for the target audience?
A readability tool can identify patterns, but it cannot understand your audience as well as you can. The final judgment should always come from human review.
Final thoughts
The Flesch Reading Ease score is a useful way to understand how accessible your writing may be. It mainly evaluates sentence length and word complexity, with higher scores indicating easier reading.
But a high score does not automatically create great content. The best articles balance readability, accuracy, depth, and experience. Use short sentences, clear words, helpful headings, and real examples, but do not remove necessary technical detail simply to reach a number.
For TheTechHacker, the ideal goal is simple: make complex technology easier to understand without making it less useful.
FAQ
What is a good Flesch Reading Ease score for blog posts?
A score between 60 and 70 is often a practical target for general web content, although the ideal range depends on the topic and audience.
Is a higher Flesch score always better?
No. A higher score means easier reading, but extremely simple writing may not suit technical or professional topics. Accuracy and usefulness matter more than the number alone.
Does Google use the Flesch score as a ranking factor?
The score itself is not a direct Google ranking factor. However, clear content can improve the reading experience and help users understand the page.
How is the score calculated?
The formula uses average sentence length and average syllables per word: 206.835−(1.015×ASL)−(84.6×ASW)206.835 – (1.015 \times ASL) – (84.6 \times ASW).
How can I improve a low readability score?
Shorten long sentences, use familiar words, break up large paragraphs, add headings, use active voice, and explain technical terms.
Does the Flesch score work for every language?
The standard Flesch-Reading Ease formula was designed for English. It may not produce reliable results for other languages because syllable patterns and sentence structures differ.
Should I rewrite an article only to increase its score?
No. Use readability as a guide rather than a strict rule. Your article should remain accurate, natural, and appropriate for its audience.
