Use page without mouse: Can I navigate the page well only with the keyboard? Is the respective active element marked accordingly?

Call mobile page: Generally, a page should also be usable mobile without problems, that is, the order and arrangement should be adapted to a smaller resolution. To do this, you can simply call the page with a cell phone or with a changed resolution in the developer options of the browser (F12).

Increase font size: Are the texts also with 200% font size well readable? Are all elements then still accessible?

Check images: Are the contained ones generally relevant to the text and is the conveyed information also available in text form?

Tables: Are all table contents readable without scrolling when the browser window is reduced or the mobile page is called up?

MS-Word documents: In MS-Word, accessibility can be checked either via menu "Check" or under "File > Information > Check for problems".

PDF files: For already exported PDFs, two options exist. Adobe Acrobat offers an accessibility check tool under "Work View > Accessibility", also the PDF Accessibility Checker (PAC), a free program for Windows, can be used.

Siteimprove: For the accessible design of the TUBAF website, Siteimprove can be used, which checks the individual subpages at regular intervals and highlights any violations. To check individual pages, there is also a extension for various browsers.

Screen readers: Screen readers enable blind people to use computers. For Windows, for example, there is the NVDA - the free screen reader for blind computer users. This is a free, portable and open source screen reader for Windows.

Contrast Checker: Color Contrast Analyzer