Page speed tool family

Page Speed is an open-source project started at Google to help developers optimize their web pages by applying web performance best practices. Page Speed started as an open-source Firefox/Firebug add-on and is now deployed in third-party products such as Webpagetest.org, Show Slow and Google Webmaster Tools.

Page Speed tool family

Page Speed is a family of tools for optimizing the performance of web pages.

• The Page Speed Firefox/Firebug add-on allows you to evaluate the performance of your web pages and to get suggestions on how to improve them.
• The mod_pagespeed Apache module automatically rewrites pages and resources to improve their performance.

The Page Speed extension runs performance tests based on a set of best practices known to reduce page load time.
mod_pagespeed, the Apache module automatically optimizes resources on a web page.