W3schools (easy to read tutorials) https://www.w3schools.com GeeksforGeeks (very good for all IT stuff) https://www.geeksforgeeks.org/ ASP.NET with Entity Framework Core https://www.youtube.com/watch?v=RWXKysImabs Discord.js (Playlist) https://www.youtube.com/playlist?list=PLpmb-7WxPhe0ZVpH9pxT5MtC4heqej8Es Super In-depth cover topics https://www.deepintodev.com/ Caching https://www.youtube.com/watch?v=bP4BeUjNkXc Load balancing https://www.youtube.com/watch?v=xg7Dj2AXLyk Dependabot https://docs.github.com/en/code-security/dependabot/working-with-dependabot/dependabot-options-reference