Paul Lewis (@aerotwist) works on the Google Chrome team as a Developer Advocate. He spends his days profiling runtime performance issues, and helping developers to build faster sites and apps. Do not be fooled by his extreme baldness; it's a solar panel for his cunning and guile. Most performance advice today centers around Page Load Time (PLT) and this is, of course, critically important to succe
![The Runtime Performance Checklist](https://cdn-ak-scissors.b.st-hatena.com/image/square/1d4ec8139d7eb5ecb7821f75539362539d5ec131/height=288;version=1;width=512/https%3A%2F%2Fcalendar.perfplanet.com%2Fwp-content%2Fuploads%2F2013%2F12%2Fpaul%2Ftouch.png)