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  • Screen readers read letters out loud as you type them, but say “star” or “asterisk” for password fields.

  • Screen readers announce the page title (the <title> element in the HTML markup) when first loading a web page.

  • Screen readers will read the alternative text of images, if alt text is present. JAWS precedes the alternative text with the word “graphic.” If the image is a link, JAWS precedes the alternative text with “graphic link."

  • Screen readers ignore images without alternative text and say nothing, but users can set their preferences to read the file name.

  • If an image without alternative text is a link, screen readers will generally read the link destination (the href attribute in the HTML markup) or may read the image file name.

  • Screen readers will bypass images that have been marked as decorative image.

  • Screen readers announce headings and identify the heading level. NVDA and JAWS, for example, precede <h1> headings with “heading level 1.”

  • Some screen readers announce the number of links on a page as soon as the page finishes loading in the browser.

  • JAWS says “same page link” if the link destination is on the same page as the link itself and “visited link” for links that have been previously accessed.

  • Screen readers in table navigation mode inform the user how many rows and columns are in a data table.

  • Users can navigate in any direction from cell to cell in table navigation mode. If the table is marked up correctly, the screen reader will read the column and/or row heading as the user enters each new cell.

  • Screen readers inform users when they have entered into a form. Users have the option to enter form navigation mode.

  • Screen readers can be thrown off by homographs. For example, the word read can be pronounced “reed” or “red,” depending on the context: “I’m going to read the newspaper” vs. “I already read the newspaper.” A sentence such as “I read the newspaper every day” is ambiguous to all readers—humans and screen readers alike. The word content is another example: “I feel content” (meaning satisfied, with the emphasis on the second syllable [con-TENT]) vs. “ has some really awesome content” (meaning the subject matter, with the emphasis on the first syllable [CON-tent]).

  • Screen readers may or may not read out punctuation, depending on the user’s verbosity setting. Ensure that your intended meaning will be conveyed in either case. To appreciate the value of punctuation, consider these sentences:

    • Let’s eat, grandpa!

    • I’d like to thank my parents, the mayor, and the president.

    • He finds inspiration in cooking, his children, and his cat.