The Accord web site was designed for a maximum number of Internet users. The required components are the minimum components necessary for using the web site, whereas the recommended components allow a better comfort of use.

The phonetic exercises (second last in each unit) are available in 2 versions with or without sounds.
For the sound version :

The Accord web site manages accented characters and the cedilla.
If you are not using the French keyboard layout, here are the alternative options :