Readability Analyzer
Check how easy your content is to read with this free readability analyzer. It calculates multiple readability scores including Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, and more. Just paste your text below and get instant feedback on how to make your writing more accessible to your target audience.
The US school grade level needed to understand this text.
Years of formal education needed to understand this text on first reading.
Estimates the years of education needed to understand the text.
Uses character counts instead of syllables for grade level estimation.
Reading Level Summary
Your text analysis will appear here.
What is Readability and Why Does it Matter for SEO?
Readability measures how easy it is for someone to read and understand your content. It takes into account things like sentence length, word complexity, and overall structure. The easier your content is to read, the more people will actually finish reading it.
For SEO, readability matters because search engines pay attention to user engagement signals. If people land on your page and bounce quickly because the content is too hard to read, that sends a negative signal to Google. On the flip side, content that's easy to digest keeps people engaged, reduces bounce rates, and increases time on page.
What is a Good Flesch Reading Ease Score?
The Flesch Reading Ease score runs from 0 to 100, with higher scores meaning easier to read. Here's how to interpret the scores.
- 90-100 is very easy to read and suitable for 5th graders.
- 80-89 is easy to read and good for conversational English.
- 70-79 is fairly easy and works well for most web content.
- 60-69 is standard difficulty and good for 8th-9th graders.
- 50-59 is fairly difficult and typical of college-level text.
- 30-49 is difficult and usually found in academic papers.
- 0-29 is very difficult and mostly seen in scientific or legal documents.
For most blog posts and web content, you want to aim for a score between 60-70. That hits the sweet spot where your content is accessible to most readers without being overly simplistic.
What Do the Different Readability Formulas Measure?
This tool calculates several different readability metrics, each with its own approach.
- Flesch Reading Ease gives you a score from 0-100 based on sentence length and syllable count. Higher is easier.
- Flesch-Kincaid Grade Level tells you the US school grade needed to understand your text. A score of 8 means an 8th grader could understand it.
- Gunning Fog Index estimates years of formal education needed. It focuses on complex words with 3+ syllables.
- SMOG Index is similar to Gunning Fog but was designed specifically for health-related content. It's considered more accurate for shorter texts.
- Coleman-Liau Index uses character counts instead of syllables, making it useful for automated analysis.
No single formula is perfect, so looking at multiple scores gives you a more complete picture of your content's readability.
How Can I Improve My Content's Readability?
Improving readability usually comes down to a few simple techniques.
- Use shorter sentences. Try to keep most sentences under 20 words.
- Choose simpler words when possible. Instead of "utilize," just say "use."
- Break up long paragraphs. Aim for 3-4 sentences per paragraph max.
- Use active voice instead of passive voice. "The dog bit the man" is clearer than "The man was bitten by the dog."
- Add subheadings to break up your content and help readers scan.
- Use bullet points and numbered lists for complex information.
The goal isn't to dumb down your content. It's about communicating your ideas as clearly and efficiently as possible.
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