How to use the Pronoun Check
This article gives an in-depth look at the Pronoun Report and how to use it: The Pronoun Report.
Inexperienced writers often rely on pronouns to keep the narrative moving: “He did this”, “She did that”, “They ran there”, “I found out.” It's dull. On average, published writing contains only 4-15% pronouns. If your writing contains a higher percentage than that, then you need to replace your pronoun-heavy passages with more dynamic wording.