100% client-side · Real-time analysis

Readability Checker

Get Flesch, Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau and ARI scores live as you type. Aim for Flesch 60+ to please both readers and Google.

6 Formulas Live Updates Reading Time SEO Tips

Your Content

0
Words
0
Sentences
0
Syllables
0
Paragraphs
0
Complex
0
Avg w/sent
0:00
Read time
0:00
Speak time

Overall SEO Recommendation

Start typing to see SEO-targeted readability advice.

What These Scores Mean

  • Flesch Reading Ease — Higher is easier. 60-70 = plain English (target for general web content).
  • Flesch-Kincaid Grade — US grade level. Aim for 7-8 for broad SEO content.
  • Gunning Fog — Years of education needed. Below 12 is comfortable for most readers.
  • SMOG Index — Best for healthcare/technical content. Lower = simpler.
  • Coleman-Liau — Character-based grade level (no syllable counting).
  • ARI — Automated Readability Index, also character-based.