If you are looking for ways to improve your proficiency with Google applications (e.g., Docs, Drive, Sheets, Slides, Drawings, YouTube, Blogger, Sites, and Maps, just to name a few), then go to https://edutrainingcenter.withgoogle.com and log-in using your Google educator account.
There is an excellent training site that tracks your progress in four different paths. When you complete a full path, you can show off your new official Google proficiency badge on your websites, creations, or social media.