Grade Your Content's Readability for Better SEO
Paste any article or blog post and instantly get Flesch-Kincaid, SMOG, and Gunning Fog scores — plus actionable fixes to climb the rankings.
Flesch-Kincaid
Reading ease & grade level
SMOG Index
Years of education needed
Gunning Fog
Sentence & word complexity
Simple Pricing
Pro
$12
per month, cancel anytime
- ✓Unlimited content analyses
- ✓Flesch-Kincaid, SMOG & Gunning Fog scores
- ✓Actionable SEO improvement tips
- ✓Keyword density & sentence length checks
- ✓Export reports as PDF
FAQ
Which readability formulas do you use?
We calculate Flesch-Kincaid Reading Ease, Flesch-Kincaid Grade Level, SMOG Index, and Gunning Fog Index — the four most widely cited by SEO professionals.
Does readability actually affect SEO rankings?
Yes. Google's algorithms favor content that matches the reading level of the target audience. Lower bounce rates from readable content also send positive engagement signals.
Can I cancel my subscription anytime?
Absolutely. Cancel with one click from your billing portal — no questions asked, no hidden fees.