What does a screen reader do?
A screen reader is a technology that helps people who have difficulties seeing to access and interact with digital content, like websites or applications via audio or touch. The main users of screen readers are people who are blind or have very limited vision.
How do I turn on screen reader in Chrome?
Turn screen reader on or off
You can turn ChromeVox on or off from any page by pressing Ctrl + Alt + z. On tablets: Press and hold the Volume down + Volume up buttons for 5 seconds. While holding the buttons, you'll hear a sound to indicate it's working. Keep holding the buttons, then ChromeVox will start speaking.