O'Reilly logo

PHP Ajax Cookbook by R. Rajesh Jeba Anbiah, Roshan Bhattarai, Milan Sedliak

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Getting optimization tips with YSlow

When we're hitting performance issues, we need to know what to do. YSlow, from Yahoo!, is a speed diagnostic tool that quickly lists down suggestions based on various factors.

Getting ready

We'll require a Firefox browser with the Firebug plugin installed. YSlow is an add-on for Firebug that also needs to be installed to get optimization tips. When installed, it adds another tab inside Firebug, as shown in the following screenshot:

Getting ready

How to do it...

When executed on any page, YSlow gives a page-specific report with tips on optimization. It's also bundled with a few optimization tools that will help us quickly fix ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required