Check out a free preview of the full Website Performance course:
The "Beyond the Big 14" Lesson is part of the full, Website Performance course featured in this preview video. Here's what you'd learn in this lesson:
There are many ways to incorporate the 14 YSlow rules into a website. Kyle outlines a few techniques of implementing fewer HTTP requests, Gzip, and conditional requests. Yahoo has published a number of additional performance rules. They include reducing the cookie size and optimizing sprites. The YSlow plugin gives you a letter grade and a numerical grade for your website. Remember to look through the report carefully and consider additional optimizations even in categories with higher scores.