Free Tool
Free Content Readability Analyzer
Enter any URL and get a real Flesch-Kincaid readability score — sentence length, passive voice, and grade level. No signup required.
— pages analyzed so far
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Analyzed
What this tool checks
Flesch Reading Ease
The standard 0-100 readability formula, based on sentence length and syllable count.
Grade level
The US school grade level needed to comfortably understand the text on first read.
Sentence length
Average words per sentence, and what percentage run long enough to lose readers.
Passive voice
A heuristic estimate of how much of the text relies on passive constructions.
Content length
Total words analyzed, scoped to the main content — navigation and footer text is excluded.
No external API
Every score is calculated live from the actual page text — nothing is sent to a third party.
How to use the Content Readability Analyzer
- Enter the address of the page you want to check, such as a blog post or service page.
- Click "Analyze". The tool reads the main content and ignores navigation and footer text.
- Check the Flesch Reading Ease score, grade level, sentence length and passive voice.
- Rewrite the hardest sections, then run the check again.
What to do with your results
Aim for a Flesch Reading Ease score of about 60 to 70 for most web content. If your score is lower, the quickest fixes are shorter sentences, plain words where a simpler one exists, and active voice, such as "we fixed the site" rather than "the site was fixed".
Frequently asked questions
What is the Flesch Reading Ease score?
A 0-100 score where higher means easier to read. Most web content performs best in the 60-70 range, even for technical or B2B audiences.
Does harder-to-read content rank worse in Google?
Not as a direct ranking factor, but readability affects bounce rate and time on page — signals that correlate with how Google evaluates content quality regardless.
What is a good grade level for website content?
Around grade 7 to 9 suits most websites. Even expert readers skim online, so plain writing helps technical and B2B audiences too.
Is my content sent to another service?
No. Every score is calculated from the page's text when you run the check, and nothing is sent to a third party.
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