When comparing Topcoat vs Material Design Lite, the Slant community recommends Material Design Lite for most people. In the question“What are the best CSS frameworks that follow the BEM design pattern?” Material Design Lite is ranked 1st while Topcoat is ranked 2nd. The most important reason people chose Material Design Lite is:
Material Design Lite is a framework created by Google, who are also responsible for the creation of Material Design.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Focused on performance
Every Topcoat component is built with performance in mind. Most of the stylesheets are small and do not take too long to load.
Pro Developed by Google
Material Design Lite is a framework created by Google, who are also responsible for the creation of Material Design.
Pro Very customizable
Cons
Con Not so impressive design
But it is themeable.
Con Some issues with typography
For some components the text size is quite small, while for others it's too light over a light background, making the text harder to read.
Con Deprecated
No longer maintained
Con On limited support
Google moved further development efforts to Material Components for the web.