SPOF-O-Matic : Chrome extension for detecting and simulating frontend Single Points Of Failure. Detects likely third-party single points of failure as you browse and...
Dimensions Browser Extension : Measure between the following elements: images, input-fields, buttons, videos, gifs, text, icons. You can measure everything you see in the browser.
Minimize round-trip times : An article on the best practices to apply in order to minimize HTTP round-trip times
choo : A 4kb framework for creating sturdy frontend applications
InstantClick : InstantClick is a JavaScript library that dramatically speeds up your website, making navigation effectively instant in most cases.
The easiest way to measure your performance budget.