Readability Checker
Check the readability of your text with Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, and SMOG scores. Improve SEO and user experience.
Frequently asked
questions
Flesch Reading Ease measures how easy text is to read on a 0–100 scale. Higher = easier. 60–70 is plain English (suitable for general audience). Below 30 is very complex (academic/technical). Most websites should target 60+.
The FK Grade Level estimates the US school grade level needed to understand the text. A score of 8 means an 8th grader can understand it. For web content aimed at a general audience, aim for 6–8.
Google uses engagement signals like time on page and bounce rate as indirect ranking factors. Clear, readable content keeps visitors engaged longer, reducing bounce rate. It also makes content more shareable and linkable.