Is there such a thing as DDA certification?

There is no official DDA certificate in Australia. Here is what the Disability Discrimination Act expects for websites and documents, and what evidence you can get instead.

How to make an accessible PDF: a step-by-step guide

How to make an accessible PDF step by step: set up Word or InDesign properly, export with tags, check tags and reading order in Acrobat, test with PAC and a screen reader, and avoid the most common problems.