Abstrakt
Getting feedback on the use of the materials they create for students is important for teachers. In case of teacher-created GeoGebra applets the teacher does not even know whether students use them.
We created system SAVE to store universal data coming from students to give feedback to the teacher on how the students deal with the homework. This paper illustrates using SAVE for saving from simple HTML pages and from embedded GeoGebra applet and it explains getting the applet data.