speed

Make your websites run faster, automatically — try mod_pagespeed for Apache

Webmaster Level: All

Last year, as part of Google’s initiative to make the web faster, we introduced Page Speed, a tool that gives developers suggestions to speed up web pages. It’s usually pretty straightforward for developers and webmasters to implement these suggestions by updating their web server configuration, HTML, JavaScript, CSS and images. But we thought we could make it even easier — ideally these optimizations should happen with minimal developer and webmaster effort.

So today, we’re introducing a module for the Apache HTTP Server called mod_pagespeed to perform many speed optimizations automatically. We’re starting with more than 15 on-the-fly optimizations that address various aspects of web performance, including optimizing caching, minimizing client-server round trips and minimizing payload size. We’ve seen mod_pagespeed reduce page load times by up to 50% (an average across a rough sample of sites we tried) — in other words, essentially speeding up websites by about 2x, and sometimes even faster.

Comparison of the AdSense blog site with and without mod_pagespeed

Here are a few simple optimizations that are a pain to do manually, but that mod_pagespeed excels at:

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How to Speed up WordPress

Tips for speeding up your wordpress installation.

At Pubcon this year Google announced page load time was going to become a ranking factor in 2010 (see video below). Shortly after this announcement, Google started showing load time data in webmaster central. Being a bit proactive, I decided to start looking at ways to speed up this site.

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Introducing Page Speed

At Google, we focus constantly on speed; we believe that making our websites load and display faster improves the user’s experience and helps them become more productive. Today, we want to share with the web community some of the best practices we’ve used and developed over the years, by open-sourcing Page Speed.

Page Speed is a tool we’ve been using internally to improve the performance of our web pages — it’s a Firefox Add-on integrated with Firebug. When you run Page Speed, you get immediate suggestions on how you can change your web pages to improve their speed. For example, Page Speed automatically optimizes images for you, giving you a compressed image that you can use immediately on your web site. It also identifies issues such as JavaScript and CSS loaded by your page that wasn’t actually used to display the page, which can help reduce time your users spend waiting for the page to download and display.
Page Speed’s suggestions are based on a set of commonly accepted best practices that we and other websites implement. To help you understand the suggestions and rules, we have created detailed documentation to describe the rationale behind each of the rules. We look forward to your feedback on the Webmaster Help Forum.

Posted by Richard Rabbat and Bryan McQuade, Page Speed Team

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