# Finished ? Congratulations ! 🎉
You now know the basics of a Progressive Web App, but you still have a lot to discover!
# Quiz
Want to test your knowledge about PWA ? A quiz is available here: Quiz PWA (opens new window)
# Additional exercises
Here are some additional exercises that you can try to achieve from the knowledge gained in this workshop:
- replace images of non-cached attendees with a
fallback.jpg
default image when the network request fails - add an expiration time to the API GET request cache
- automatically request a background sync 1 minute after the previous one
# A comprehensive documentation on PWA
Find a complete documentation about Progressive Web Apps here: pwa-cookbook.js.org (opens new window)
# Remark, correction, suggestion?
All of our materials are available at Github (opens new window) and open to external contributions via * Pull Requests *.