Readability Resources

Understanding readability scores and what to aim for depending on your audience.

Learn the connection between readable content and higher search rankings.

Everything you need to know about the most popular readability formula in the world.

A step-by-step guide to calculating and improving your readability score.

Discover how the Flesch Reading Ease score measures text difficulty and helps you write clearer content.

Discover how the Swedish Lix formula solves the challenge of assessing readability in foreign language texts and multilingual content.

Discover how the updated Dale-Chall formula uses word familiarity and sentence length to assess text difficulty and match reading materials to learners.

Learn how John O'Hayre's Linsear Write formula uses syllable-based word complexity to assess readability, especially for technical writing.

Learn how Dr. Edward Fry's graph-based readability tool measures text difficulty using sentence length and syllable count to match content to readers.