Readability Checker
Score Flesch Reading Ease and grade level to keep pages plain while there is still time to simplify them.
What this tool gives you
Check readability
Fetch a public page or paste HTML. The checker scores Flesch Reading Ease, grade level and sentence length — harder copy converts worse.
What this checker looks for
Plain copy keeps readers and wins citations. Dense copy loses both.
60+ reading ease
Flesch 60+ reads as plain English for most visitors.
Grade 8 or lower
Grade-level copy converts better for small-business pages.
Short sentences
Around 20 words or fewer per sentence keeps flow.
Plain words
Short everyday words beat jargon every time.
Real sections
Headings and short paragraphs help scanners stay.
Not a rank guarantee
Ease helps signal, it does not replace intent and quality.
How to use the checker
Paste the HTML or fetch the URL, then fix the weakest signal first.
Run the check
Fetch a public page or paste the body HTML.
Read the score
Ease carries the most weight, then grade level and sentence length.
Simplify the weakest check
Split long sentences, swap hard words, and break up dense paragraphs.
What readable copy looks like
Plain enough to scan, structured so a reader and a scraper can follow it.
| Signal | Healthy range | Why it matters |
|---|---|---|
| Reading ease | 60+ | Plain copy keeps visitors reading instead of bouncing. |
| Grade level | 8 or lower | Mid-school copy converts better for local pages. |
| Sentences | ≤ 20 words | Short sentences scan well on phones. |
| Long sentences | Few over 25 words | A run of long lines drags the whole score down. |
| Examples | 1+ | Short paragraphs and bullets give readers breathing room. |
Related GEO pages
Simplify the copy, then check length, keywords and the outline.
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Title and Meta Description Checker
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H1 Checker
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Readability FAQs
What is a good Flesch Reading Ease score?
Aim for 60 or higher. That range reads as plain English for most shoppers and clients, which keeps small-business pages scannable.
What Flesch-Kincaid grade should I target?
Grade 8 or lower works for most public pages. If the score climbs past grade 10, shorten sentences and swap long words for plain ones.
Does readability affect SEO?
Indirectly. Clear copy keeps readers on the page and gives answer engines quotable sentences, while dense copy raises bounce rates.