Andrew Rota

Add speedIndex metric

1

The [RUM SpeedIndex](https://github.com/WPO-Foundation/RUM-SpeedIndex) metric calculates speedIndex (an indexed value representing the average time at which visible parts of the page are displayed) from resource timings. Is this something that browser-perf...

Using `this` before calling super()

1

Classes in ES6 [require `super()` to be called before you can use `this`](http://www.2ality.com/2015/02/es6-classes-final.html#super-constructor_calls) in a constructor ([now enforced in Babel 5.x](http://babeljs.io/blog/2015/03/31/5.0.0/#class-changes)), but `todo-app.js` needs to do this a few times...

Node Module

19

Very cool! What about creating a version of these checks as a standalone node module? That way it could be easily integrated into code sniffs or other static analysis tools.