Overhauling one of the most visited web sites in the world is a major task, and add on top of it the pressure of keeping performance the same while adding a ton of new features, and you have quite a task. Learn how the Yahoo! homepage team achieved performance parity with the previous version even while adding a ton of new features.Read less
![Performance on the Yahoo! Homepage](https://cdn-ak-scissors.b.st-hatena.com/image/square/6209b1fbc065528aa40cea2037943d749e93b57b/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Fperformance-yahoo-homepage-100622220111-phpapp02-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)