Readability, and the sentences making it worse
Flesch Reading Ease and Flesch-Kincaid grade, the same numbers Word and Yoast report, plus the specific long sentences, hard words and padding to cut. No account needed.
What it checks
- Flesch Reading Ease, 0 to 100, with the band it falls in
- Flesch-Kincaid grade level, capped where the scale stops meaning anything
- Share of words with three syllables or more
- Every sentence over 25 words, quoted so you can find it
- Sentence-length distribution: the shape, not just the average
- Sticky sentences, echoes and repeated openers
A number is not advice
Most readability tools give you a score and leave. The score is real. These are the standard Flesch formulas, so a 62 here means what a 62 means in Word. But on its own it does not tell you which sentence to cut.
There is no target to hit, either, and tools that imply otherwise are wrong. A post for practising engineers legitimately reads at grade 13. The same score on a landing page for small-business owners is a problem. Only you know which you are writing, so the number comes with the benchmark that makes it mean something, and the judgement stays yours.
What is offered instead of a target is the list: the sentences over 25 words, the paragraphs that are more connecting words than content, the word you reached for three times without noticing. Those are things you can act on in ten minutes.
Frequently Asked Questions
One pass, before you publish
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