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Testing Language with Firefox

About

The Mozilla/Firefox Accessibility Extension makes it easier for people with disabilities to view and navigate web content. Developers can use the extension to check their use of structural and styling markup that support functional web accessibility.

Main Menu

  1. Accessibility menu option
  2. Navigation sub-menu option
  3. Language Changes option

Screenshot of navigation through the browser menu

Toolbar

  1. Navigation button
  2. Language Changes option

Screenshot of navigation through the extension toolbar

Inline Language Dialog Box

Screenshot of popup window containing form language change information

Page-wide declaration in <html> tag

Screenshot of page-wide language declaration selection

Inline markups using lang attribute

Screenshot of inline lang attribute selection

Navigation

Other HTML Best Practices

Working Group