My mobile course progress is not appearing on the website.
With the exception of some shared courses, DataCamp's content is not shared between the browser and mobile version.
If you completed a course in the mobile app, when you navigate to the desktop view you will see that there is a mobile indicator at the top right corner letting you know that you have completed the Mobile version of this course. You will also see an indicator for desktop progress. The screenshot below illustrates and highlights both.
Note: Both mobile and the desktop content count towards your total XP; if you finish the first chapter of a course on desktop, and then do the corresponding chapter on mobile, you will receive XP for both.