While there are many great vue.js courses, most are targeted to beginners or cover only the fundamental concepts of the topic.

I devoted myself to create the most comprehensive Vue course, where we build together a real-world application, which scales, is optimized for performance and SEO, and covers lots of essential topics for building a modern web application.
I honestly believe that The Vue.js Master Class is the most thorough course out there.
Alex Kyriakidis
Vue.js core member, co-founder Vue School
What you'll learn
The goal of the Master Class is to teach you Vue.js along with Best Practices, Modern javascript, and other exciting technologies, by building a Real World application - a forum.
We cover the fundamentals, like:

Vue cli, router and State management with Vuex
Modern javascript (ES6/7/8)
User permissions & protected routes
Third party authentication
Firebase Realtime Database & Cloud functions
Automatic code review with ESLint
Deployment
Application architecture and best practices

We also dive into harder topics, like:

Higher Order Functions
Creating Vue Plugins
Code Splitting
Support for older Browsers
Webpack configuration
SEO and pre-rendering
Reactive programming with RxJS


https://vueschool.io/courses/the-vuejs-master-class