Small Size - For any JavaScript framework, success depends on its size. Vue.js has a very small size around 18 to 22 KB that can be easily downloaded and used.
Easy to Understand - Vue.js provides a very simple structure so it can be used in both small and larger projects in an easy way.
Easy Integration - Vue.js is JavaScript based framework so it can be integrated with other applications easily and provides components for everything.
Flexibility - It provides the options to write templates in HTML file, JavaScript file and pure JavaScript files using virtual nodes so this concept makes it easier to the developers of React, Angular and other JavaScript backgrounds.
Two-Way Communication - Vue.js supports MVVM architecture partially and provides the two-way binding concept similar to AngularJS that speeds up HTML blocks.
Documentation - Easy documentation is available.
Great Tools - It comes with great tooling like CLI that can create your initial application setup.